CN114323821B - Air quality detection sampling device and evaluation report generation management system thereof - Google Patents
Air quality detection sampling device and evaluation report generation management system thereof Download PDFInfo
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- CN114323821B CN114323821B CN202111645739.4A CN202111645739A CN114323821B CN 114323821 B CN114323821 B CN 114323821B CN 202111645739 A CN202111645739 A CN 202111645739A CN 114323821 B CN114323821 B CN 114323821B
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- 238000001514 detection method Methods 0.000 title claims abstract description 25
- 238000005070 sampling Methods 0.000 title claims abstract description 20
- 238000011156 evaluation Methods 0.000 title claims description 7
- 238000012360 testing method Methods 0.000 claims abstract description 41
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 238000013461 design Methods 0.000 claims abstract description 9
- 238000005096 rolling process Methods 0.000 claims description 10
- 239000000696 magnetic material Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims 3
- 238000012372 quality testing Methods 0.000 claims 2
- 238000003032 molecular docking Methods 0.000 abstract description 9
- 239000000428 dust Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses an air quality detection sampling device which comprises a detector, an air pump, an air channel and an air duct, wherein the air channel is arranged in the detector, the whole air channel is of a Z-shaped structural design and penetrates through the detector, the air duct is fixedly connected with the opening of the lower end of the air channel, the annular outer surface of the lower end of the air duct is fixedly connected with a sensor, a docking assembly is arranged on the outer surface of the lower end of the detector near the front end, a test tube is spliced on the outer surface of the lower end of the detector through the docking assembly, and a filter mechanism is arranged at the opening of the upper end of the air channel.
Description
Technical Field
The invention relates to the technical field of air quality detection, in particular to an air quality detection sampling device and an evaluation report generation management system thereof.
Background
Mines are the general term for roadways, chambers, equipment, floor structures and structures that form underground coal production systems, where as mining proceeds, harmful gases may be present in the air such as: carbon monoxide, carbon dioxide, hydrogen sulfide, sulfur dioxide, ammonia, and the like, and explosive gases, for which purpose air quality detection in mines is particularly important.
But current air quality detects sampling device is comparatively troublesome when in-service use, needs to use the rubber tube to insert the test tube, later with the air in the mine through the air pump into the test tube inside to sample the air, follow the air along with the dust that the air that carries on the mine inside is mixed and also get into inside the test tube sample with the continuation of sampling, and then lead to detecting the numerical value and error, and the fixed of test tube is placed on the test-tube rack generally moreover, and stability is relatively poor, is unfavorable for collecting the continuation of sample.
Disclosure of Invention
The invention aims to provide an air quality detection sampling device and an evaluation report generation management system thereof, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an air quality detects sampling device, includes detector, air pump, air duct, the air duct has been seted up to the detector inside, and the air duct is whole to be zigzag structural design and runs through the detector, air duct lower extreme opening part fixedly connected with air duct, and air duct lower extreme ring surface fixedly connected with sensor, detector lower extreme surface is close to front end position and is equipped with docking assembly, and detector lower extreme surface has pegged graft through docking assembly and has the test tube, air duct upper end opening part is equipped with filtering mechanism, docking assembly includes linking ring one, linking ring two, guide ring, detector lower extreme surface embedding has linking ring one, and detector lower extreme surface fixed connection guide ring, guide ring quantity is two sets of, and uses linking ring one end surface to be the inside and outside distribution of center, linking ring one is magnetic material constitution, two sets of interval between the guide ring equals the pipe wall thickness, and two sets of guide ring adjacent face lower extreme is for the design of form, test tube upper end surface fixedly connected with linking ring two, linking ring two is the metal thickness, and two sets of test tube linking ring two are big and the same with the test tube and the test tube is the same with the test tube is equipped with the exhaust port, the test tube is the exhaust port is the center and is equipped with the test tube and is the same with the test tube and is distributed with the test tube.
Preferably, the filter mechanism comprises a spring hinge, a filter plate, a baffle plate and a clamping hook, the filter plate is movably connected with the detector through the spring hinge and covers the upper opening of the ventilating duct, the outer surface of the upper end of the detector is fixedly connected with the baffle plate, the distance between the baffle plate and the spring hinge is equal to the length of the filter plate, the clamping hook is fixedly connected to the upper end position of one side of the baffle plate, which is close to the filter plate, and the clamping hook is of a triangular structural design.
Preferably, the filter mechanism further comprises a sliding groove, brush plates and sliding blocks, the sliding groove is symmetrically formed in the left side and the right side of the filter plate, the brush plates are arranged at the upper end of the filter plate, the brush plates are integrally of a C-shaped structure, the brush plates and the sliding grooves are fixedly connected with two groups of sliding blocks in positions corresponding to the sliding grooves, and the filter plate and the brush plates are movably connected with the sliding grooves through the sliding blocks.
Preferably, the sliding block is provided with a rolling groove near the inner side of the sliding groove, a ball is embedded in the rolling groove, and the center point of the ball is positioned in the rolling groove.
Preferably, the outer surface of the upper end of the filter plate is fixedly connected with a magnet at a position close to the spring hinge, and the brush plate is made of magnetic materials.
The utility model provides an air quality detection sampling evaluation report generation management system, includes foretell air quality detection sampling device, sensor, display, switch and treater, the treater is located the detector inside, the switch is located the display below, and its two are located the left side surface of detector, switch and display and the equal electric connection of sensor, and the sensor sends the detection information to the treater, again by the transcoding of treater to the display.
Compared with the prior art, the invention has the beneficial effects that:
1. According to the invention, the mounting time of a user for mounting the test tube can be shortened through the mutual matching of the first adapter ring, the second adapter ring and the guide ring, and the stability of the test tube is further increased through the mutual magnetic attraction of the first adapter ring and the second adapter ring, so that the test tube has higher resistance when the test tube faces light shaking;
2. the invention also isolates dust in mine air outside the detector through the filter plate, reduces error generated by dust pollution of the detection sample, and automatically cleans dust on the surface of the filter screen through the mutual cooperation of the baffle plate, the buckle, the filter plate and the spring hinge after the detection is finished, thereby being convenient for next use.
Drawings
FIG. 1 is a view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a view showing the combination of a tube and a second adapter ring according to the present invention;
FIG. 4 is an enlarged view of the invention at A in FIG. 1;
FIG. 5 is a cross-sectional view of the invention at E in FIG. 4;
fig. 6 is an enlarged view of the invention at B in fig. 1.
In the figure: 1. a detector; 11. an air duct; 12. an air pump; 13. an air duct; 14. a switch; 15. a display; 16. a sensor; 17. a processor; 2. a filtering mechanism; 21. a filter plate; 211. a chute; 22. brushing a plate; 221. a slide block; 222. rolling grooves; 223. a ball; 23. a magnet; 24. a resistance plate; 241. a hook; 25. a spring hinge; 3. a docking assembly; 31. a test tube; 32. a first connecting ring; 33. a second connecting ring; 331. an exhaust port; 34. a guide ring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the present invention provides a technical solution:
The utility model provides an air quality detects sampling device, includes detector 1, air pump 12, air duct 11, air duct 13, air duct 11 has been seted up to the inside air duct 11 of detector 1, and air duct 11 wholly is zigzag structural design and runs through detector 1, air duct 11 lower extreme opening part fixedly connected with air duct 13, and air duct 13 lower extreme annular surface fixedly connected with sensor 16, detector 1 lower extreme surface is close to front end position and is equipped with docking assembly 3, and detector 1 lower extreme surface has test tube 31 through docking assembly 3 grafting, air duct 11 upper end opening part is equipped with filter mechanism 2, docking assembly 3 includes link ring one 32, link ring two 33, guide ring 34, detector 1 lower extreme surface embedding has link ring one 32, and detector 1 lower extreme surface fixed connection guide ring 34, guide ring 34 quantity is two sets of, and uses link ring one 32 lower extreme surface as the inside and outside distribution of center, link ring one 32 is the magnetic material constitution, and two sets of interval between the guide ring 34 equals the thickness 31 of tube wall, and the two sets of guide ring 31 are the two and are equipped with two and are the same in the test tube depth that the test tube 31 is the two is the outer surface of two-phase connection ring 31, and the two-shaped exhaust port is the same, and the test tube 33 is high-and the two-level surface is equipped with two-and is connected with the same in the test tube 33, and the two-channel 31 is the same surface is the large-diameter and the exhaust port 33 is connected with the large-circle.
Through adopting above-mentioned technical scheme, in order to facilitate the quick installation test tube 31 of user, during operation, the user aligns the space in the middle of two sets of guide rings 34 with the adapter ring second 33 of test tube 31 upper end, the corner is the guide ring 34 of circular arc design, the convenience of customers aligns adapter ring second 33 and adapter ring first 32 fast, and make test tube 31 peg graft to 1 below fast under the mutual adsorption of adapter ring first 32 and adapter ring second 33 magnetic force, thereby shorten test tube 31 installation time, improve test tube 31's stability through the magnetic force absorption of adapter ring first 32 and adapter ring second 33.
As an embodiment of the present invention, the filter mechanism 2 includes a spring hinge 25, a filter plate 21, a baffle plate 24, and a hook 241, where the filter plate 21 is movably connected with the detector 1 by the spring hinge 25 and covers an upper opening of the air duct 11, the outer surface of the upper end of the detector 1 is fixedly connected with the baffle plate 24, and the distance between the baffle plate 24 and the spring hinge 25 is equal to the length of the filter plate 21, the upper end of one side of the baffle plate 24, which is close to the filter plate 21, is fixedly connected with the hook 241, and the baffle plate 24 is made of elastic metal, and the hook 241 is in a triangle structure design.
Through adopting above-mentioned technical scheme, in order to reduce the error that causes because of the dust of mine air is inhaled inside the sample, during operation, spring hinge 25 provides anticlockwise rotatory elasticity throughout, the user is clockwise upset filter plate 21, make its one end that keeps away from spring hinge 25 and the triangle-shaped trip 241 contact on baffle 24 surface, then continue to press filter plate 21 downwards and force its inclined plane that extrudees trip 241, thereby make the baffle 24 that elastic metal constitutes appear deformation, finally block filter plate 21 in trip 241 below, filter plate 21 covers at the air flue 11 upper end this moment, make its dust in the filter air, thereby reach the filter effect.
As an embodiment of the present invention, the filter mechanism 2 further includes a sliding groove 211, a brush plate 22, and a sliding block 221, the sliding groove 211 is symmetrically provided on the left and right sides of the filter plate 21, the brush plate 22 is provided at the upper end of the filter plate 21, the brush plate 22 is integrally in a C-shaped structure, and is fixedly connected to two groups of sliding blocks 221 at positions corresponding to the sliding groove 211, the filter plate 21 and the brush plate 22 are movably connected to the sliding groove 211 through the sliding block 221, a rolling groove 222 is provided at a position of the sliding block 221 near the inner side of the sliding groove 211, a ball 223 is embedded in the rolling groove 222, and a center point of the ball 223 is located in the rolling groove 222.
Through adopting above-mentioned technical scheme, in order to make the dust on filter plate 21 surface can in time clear up, during operation, be close to spring hinge 25 under the filter plate 21 initial state, when filter plate 21 surface adhesion dust needs to clear up, the user stirs the baffle 24 and makes baffle 24 take place elastic deformation, trip 241 and filter plate 21 break away from the contact at this moment, under the elasticity that spring hinge 25 provided, filter plate 21 anticlockwise upset rapidly, brush board 22 through slider 221, spout 211 and filter plate 21 swing joint is swiftly to keeping away from spring hinge 25 direction motion under the centrifugal force effect that filter plate 21 anticlockwise rotated and is produced and scrape the clearance, after the clearance is accomplished, the user is reset filter plate 21 clockwise upset again, after filter plate 21 is perpendicular with detector 1 surface, under the effect of gravity, brush board 22 is reset to pressing close to spring hinge 25 direction motion, in order to improve the velocity of motion of brush board 22 in order to reach better clearance effect, set up the frictional force when ball 223 reduces the motion of brush board 22 in slider 221 and spout 211 contact position in order to improve brush board 22 velocity of motion.
As an embodiment of the present invention, the magnet 23 is fixedly connected to the outer surface of the upper end of the filter plate 21 near the spring hinge 25, and the brush plate 22 is made of a magnetic material.
Through adopting above-mentioned technical scheme, in order to avoid brush 22 frequent slip failing in time to reset, during operation, based on above-mentioned embodiment, when filter plate 21 and detector 1 are perpendicular, brush 22 resets under the effect of gravity and receives the magnetic force absorption of magnet 23 to avoid the brush 22 frequent slip to the influence that the cleaning effect caused, the magnetic force that magnet 23 and brush 22 produced is less than the rotatory centrifugal force that produces when filter plate 21 received spring hinge 25 effect.
The air quality detection sampling evaluation report generation management system comprises the air quality detection sampling device, a sensor 16, a display 15, a switch 14 and a processor 17, wherein the processor 17 is positioned in the detector 1, the switch 14 is positioned below the display 15 and is positioned on the outer surface of the left side of the detector 1, the switch 14 is electrically connected with the display 15 and the sensor 16, and the sensor 16 sends detection information to the processor 17 and then transcodes and sends the detection information to the display 15 by the processor 17.
By adopting the above technical scheme, the user turns on the switch 14 to energize the air pump 12, the display 15 and the sensor 16, and as the detection proceeds, the sensor 16 transmits the detection information inside the test tube 31 to the processor 17, and then the information is transmitted to the display 15 through the transcoding of the processor 17, and the display 15 displays the detection result to the user.
Working principle: when the test tube cleaning device is used, a user upwards butt-joints the second connecting ring 33 at the upper end of the test tube 31 with the gap between the two groups of guide rings 34, the first connecting ring 32 and the second connecting ring 33 are mutually adsorbed under the action of magnetic force, so that the test tube 31 is convenient to install, the user turns on the switch 14 after powering on the detector 1, the air pump 12 sucks air in the mine into the test tube 31, the air reacts with reagents in the test tube 31, the air pump 12 sucks air to be discharged through the air outlet 331, so that the air pressure in the test tube 31 is stable, after the test is finished, the user dials the clamping hook 241, the resistance plate 24 is elastically deformed, the filter plate 21 rapidly rotates anticlockwise under the action of the spring hinge 25, the brush plate 22 adsorbed by the magnet 23 is discharged along the sliding groove 211, the surface of the filter plate 21 is cleaned, after the cleaning is finished, the user rotates the brush plate 22 to reset under the action of gravity, and the filter plate 21 is reset, and the filter plate 21 is clamped below the clamping hook 241.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an air quality detects sampling device, includes detector (1), air pump (12), air duct (11), air duct (13), its characterized in that: the detector (1) is internally provided with an air duct (11), the air duct (11) is integrally of a Z-shaped structural design and penetrates through the detector (1), an air duct (13) is fixedly connected to the opening of the lower end of the air duct (11), a sensor (16) is fixedly connected to the outer annular surface of the lower end of the air duct (13), a butt joint assembly (3) is arranged at the position, close to the front end, of the outer surface of the lower end of the detector (1), the outer surface of the lower end of the detector (1) is spliced with a test tube (31) through the butt joint assembly (3), a filter mechanism (2) is arranged at the opening of the upper end of the air duct (11), the butt joint assembly (3) comprises a first splicing ring (32), a second splicing ring (33) and a guide ring (34), the outer surface of the lower end of the detector (1) is fixedly connected with a guide ring (34), the number of the guide ring (34) is two groups, the outer surface of the lower end of the first splicing ring (32) is distributed inside and outside the center, the first splicing ring (32) is a magnetic material, the upper end of the first splicing ring (32) is spliced with the second splicing ring (33) and the second splicing ring (33) is fixedly connected with the first splicing ring (33) and the second splicing ring (33) is fixedly connected with the first splicing ring (33), the number of the exhaust ports (331) is two groups, the exhaust ports are symmetrically distributed by taking the middle point of the test tube (31) as the center, the depth of each exhaust port (331) is larger than the height of each guide ring (34), each filter mechanism (2) comprises a spring hinge (25), a filter plate (21), a baffle plate (24) and a clamping hook (241), each filter plate (21) is movably connected with the corresponding detector (1) through the spring hinge (25) and covers an opening on the ventilating duct (11), the outer surface of the upper end of each detector (1) is fixedly connected with a baffle plate (24), the distance between each baffle plate (24) and the corresponding spring hinge (25) is equal to the length of each filter plate (21), the upper end of one side, close to each filter plate (21), of each baffle plate (24) is fixedly connected with the corresponding clamping hook (241), each baffle plate (24) is made of elastic metal, each clamping hook (241) is of a triangular structure design, each filter mechanism (2) further comprises a sliding groove (211), a brush plate (22) and a sliding block (221), sliding grooves (211) are symmetrically formed in the left side and the right sides of the filter plate (21), the corresponding to the sliding blocks (22) and the sliding blocks (211) are correspondingly connected with the sliding blocks (211), the filter plate (21) and the brush plate (22) are movably connected with the chute (211) through the sliding block (221).
2. An air quality detection sampling device according to claim 1, wherein: the interval between the two groups of guide rings (34) is equal to the thickness of the tube wall of the test tube (31), and the lower ends of the adjacent surfaces of the two groups of guide rings (34) are designed in an arc shape.
3. An air quality testing sampling device according to claim 2, wherein: a rolling groove (222) is formed in the position, close to the inner side of the sliding groove (211), of the sliding block (221), a ball (223) is embedded into the rolling groove (222), and the center point of the ball (223) is located in the rolling groove (222).
4. An air quality testing sampling device according to claim 3, wherein: the outer surface of the upper end of the filter plate (21) is fixedly connected with a magnet (23) at a position close to the spring hinge (25), and the brush plate (22) is made of magnetic materials.
5. An air quality detection sampling evaluation report generation management system is characterized in that: the air quality detection sampling device comprises the air quality detection sampling device, a sensor (16), a display (15), a switch (14) and a processor (17), wherein the processor (17) is positioned inside the detector (1), the switch (14) is positioned below the display (15) and both of the switch (14) are positioned on the outer surface of the left side of the detector (1), the switch (14) is electrically connected with the display (15) and the sensor (16), and the sensor (16) sends detection information to the processor (17) and then transcodes and sends the detection information to the display (15) by the processor (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111645739.4A CN114323821B (en) | 2021-12-29 | 2021-12-29 | Air quality detection sampling device and evaluation report generation management system thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111645739.4A CN114323821B (en) | 2021-12-29 | 2021-12-29 | Air quality detection sampling device and evaluation report generation management system thereof |
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| CN114323821B true CN114323821B (en) | 2024-06-21 |
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| CN114279035A (en) * | 2021-12-31 | 2022-04-05 | 安徽标普环境检测技术有限公司 | Indoor air quality detection device and comprehensive index detection system thereof |
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| DE3118878C2 (en) * | 1981-05-13 | 1985-02-14 | Drägerwerk AG, 2400 Lübeck | Detector tube |
| US6777228B2 (en) * | 1999-11-08 | 2004-08-17 | Lockheed Martin Corporation | System, method and apparatus for the rapid detection and analysis of airborne biological agents |
| CN103926381A (en) * | 2014-04-25 | 2014-07-16 | 中康韦尔(保定)环境科技有限公司 | Air quality detecting system capable of automatically replacing filter cartridges |
| CN106288151B (en) * | 2016-08-03 | 2019-06-28 | 美的集团武汉制冷设备有限公司 | Air purifier control method and device |
| CN207689325U (en) * | 2018-01-16 | 2018-08-03 | 深圳市慧航星科技有限公司 | A kind of novel environment friendly atmosphere quality display device |
| CN208952319U (en) * | 2018-09-20 | 2019-06-07 | 北京工业大学 | A kind of warning device of the Household Air Purifier screen replacing based on photo resistance |
| CN209166930U (en) * | 2018-09-25 | 2019-07-26 | 徐州工程学院 | A portable environmental sampling device |
| CN211347603U (en) * | 2019-12-27 | 2020-08-25 | 青海盛汇检测科技有限公司 | Comprehensive sampler for environmental air particles |
| CN212645785U (en) * | 2020-08-25 | 2021-03-02 | 河南省正信检测技术有限公司 | Portable public place health detection device |
| CN112903409A (en) * | 2021-02-02 | 2021-06-04 | 安乐励思科技(苏州)有限公司 | Biological sample detection device |
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- 2021-12-29 CN CN202111645739.4A patent/CN114323821B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114279034A (en) * | 2021-12-27 | 2022-04-05 | 安徽标普环境检测技术有限公司 | An indoor air quality management device and system based on big data |
| CN114279035A (en) * | 2021-12-31 | 2022-04-05 | 安徽标普环境检测技术有限公司 | Indoor air quality detection device and comprehensive index detection system thereof |
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