CN218674740U - Indoor air short-term test appearance - Google Patents
Indoor air short-term test appearance Download PDFInfo
- Publication number
- CN218674740U CN218674740U CN202222108093.2U CN202222108093U CN218674740U CN 218674740 U CN218674740 U CN 218674740U CN 202222108093 U CN202222108093 U CN 202222108093U CN 218674740 U CN218674740 U CN 218674740U
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- Prior art keywords
- air filter
- laser
- metal support
- spectrometer
- processing unit
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- 238000012031 short term test Methods 0.000 title claims description 6
- 239000007787 solid Substances 0.000 claims abstract description 30
- 229910052751 metal Inorganic materials 0.000 claims abstract description 29
- 239000002184 metal Substances 0.000 claims abstract description 29
- 238000012545 processing Methods 0.000 claims abstract description 22
- 238000001228 spectrum Methods 0.000 claims abstract description 20
- 239000000523 sample Substances 0.000 claims abstract description 19
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 4
- 238000004891 communication Methods 0.000 claims description 8
- 101000694017 Homo sapiens Sodium channel protein type 5 subunit alpha Proteins 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 11
- 238000011897 real-time detection Methods 0.000 abstract description 4
- 238000003905 indoor air pollution Methods 0.000 description 2
- 238000002536 laser-induced breakdown spectroscopy Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000010183 spectrum analysis Methods 0.000 description 1
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Abstract
The utility model discloses an indoor air rapid detector, which belongs to the technical field of air detection, and comprises an external controller, wherein the external controller is connected with a central processing unit, the bottom of the central processing unit is provided with a lithium battery power supply and a USB public data interface, one side of the central processing unit, which is far away from the external controller, is respectively connected with a solid laser and a spectrometer, the solid laser is connected with an air filter through a first metal support, the bottom of the air filter is provided with a small hole, the air filter is connected with a laser focusing device, the spectrometer is connected with a detector, the spectrometer is connected with a spectrum probe through a second metal support, and the spectrum probe is positioned under the small hole; the air filter is internally provided with a servo motor, a fan, an electric switch door, an ionization device, a filter screen and a focusing lens, and the servo motor is connected with the electric switch door; the utility model discloses simple structure, convenient and practical can carry out real-time detection to the room air.
Description
Technical Field
The utility model belongs to the technical field of the empty gas detection surveys, specifically is an indoor air short-term test appearance.
Background
The innovation is open, the economy and industrialization of China obtain great achievements, but simultaneously, great pressure is brought to the ecological environment. Among them, indoor air pollution is particularly serious. The air detection instruments used in the market at present are various in types, but most of the air detection instruments do not have the advantages of high response speed and real-time detection. Therefore, how to realize the real-time detection of the indoor air quickly and efficiently has remarkable development significance for the field of indoor air detection.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the not enough of prior art, an indoor air short-term test appearance of application laser-induced breakdown spectroscopy (LIBS) design can be fast, detects the room air in real time.
The purpose of the utility model can be realized by the following technical scheme:
the utility model provides an indoor air short-term test appearance, includes air cleaner, air cleaner includes device shell and sample room, servo motor is installed to the shell inboard, and servo motor's one end is connected with the electric switch door, ionization device is installed to the both sides of shell, air cleaner's rear side is provided with the filter screen, sample room internally mounted has the fan, and air cleaner keeps away from being equipped with focusing lens of one side of servo motor, and the aperture has been seted up to air cleaner's bottom.
Furthermore, a laser focusing device is arranged at the side end of the air filter, a first metal support is connected to the side end of the air filter, and the first metal support and the laser focusing device are located on the same side of the air filter.
Furthermore, one end of the first metal support is connected with an air filter, one end of the first metal support, which is far away from the air filter, is connected with a solid laser, a laser exit port is formed in the side end of the solid laser, the laser exit port and the first metal support are arranged on the same side of the solid laser, and the laser exit port, the laser focusing device and the focusing lens are located on the same horizontal position.
Furthermore, one end of the solid laser is connected with a first metal support, one end of the solid laser, which is far away from the first metal support, is connected with a central processing unit, the lower end part of the central processing unit is provided with a lithium battery power supply and a USB public data interface, the side end of the central processing unit is provided with a spectrometer, and the central processing unit is respectively in communication connection with the solid laser, the laser focusing device and the spectrometer.
Further, spectrum appearance and solid laser are located central processing unit's same one side, and the spectrum appearance is located solid laser's below, the side of spectrum appearance is equipped with detector and second metal support, and the one end and the spectrum appearance of second metal support are connected, and the one end that the spectrum appearance was kept away from to second metal support is equipped with the spectrum probe, and the spectrum probe is located the aperture under, spectrum probe and spectrum appearance communication connection.
Further, the one end that solid laser was kept away from to central processing unit is connected with external control ware, external control ware includes display screen and button, and the lower tip of external control ware is equipped with hand-held device, external control ware and central processing unit communication connection.
Further, the solid-state laser is a Nd: YAG laser, and the detector is ICCD detector.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the LIBS technology has the characteristics of high response speed, high sensitivity and real-time detection, and can be used for detecting indoor air pollution in real time.
2. During detection, in-situ detection can be carried out on indoor air only by starting an instrument in a room to be detected, no complex detection condition and process exist, and the use is convenient.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flow chart of the present invention;
fig. 2 is a front view of the present invention.
Fig. 3 is a schematic view of the present apparatus using the novel air filter.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
An indoor air rapid detector comprises an external controller 1 as shown in fig. 2, wherein the external controller 1 comprises a display screen 101 and a button 102, the bottom of the external controller 1 is connected with a handheld device 2, one side of the external controller 1 is connected with a central processing unit 3, the bottom of the central processing unit 3 is respectively connected with a lithium battery power supply 4 and a USB public data interface 5, one side of the central processing unit 3, which is far away from the external controller 1, is respectively connected with a solid laser 6 and a spectrometer 7, the solid laser 6 and the spectrometer 7 are in up-and-down parallel positions, the solid laser 6 is arranged at the upper end of the spectrometer 7, one side of the solid laser 6 is provided with a laser exit port 601, one side of the solid laser 6, which is close to the laser exit port 601, is connected with a first metal bracket 201, one end of the first metal bracket 201 is connected with the solid laser 6, one end of the first metal bracket 201, which is far away from the solid laser 6, is connected with an air filter 8, one side of the air filter 8, which is close to the first metal bracket 201, is connected with a laser focusing device 9, one side of the spectrometer 7 is connected with a detector 10, and the laser focusing device 9, the external controller 1 are all in communication connection with the central processing unit 3; one side of the spectrometer 7 where the detector 10 is located is connected with a second metal support 202, one end of the second metal support 202 is fixedly connected with the spectrometer 7, one end of the second metal support 202, which is far away from the spectrometer 7, is connected with a spectrum probe 11, and the spectrum probe 11 is in communication connection with the spectrometer 7.
In some specific embodiments, as shown in fig. 3, the air filter 8 includes a device housing 302 and a sample chamber 303, a servo motor is installed inside the housing 302, one end of the servo motor is connected with an electric switch door 304, ionization devices 306 are installed on two sides of the housing 302, a filter screen 307 is arranged on the rear side of the air filter 8, a fan 308 is installed inside the sample chamber 303, a focusing lens 309 is arranged on one side of the air filter 8 away from the servo motor, the laser focusing device 9 and the focusing lens 309 are located at the same horizontal position, a small hole 301 is formed in the bottom of the air filter 8, and the spectrum probe 11 is located right below the small hole 301.
The working principle is as follows: when indoor air needs to be detected, the instrument is placed in a to-be-detected area, then the instrument is started, the air filter 8 starts to work after the starting, the air filter 8 starts to collect indoor air, the air filter 8 stops working after working for ten minutes, then the solid laser 6 emits laser beams, the laser beams are focused on the to-be-detected air in the sample chamber 303 through the laser focusing device 9, the to-be-detected air generates spectrum signals under the action of the laser beams, the spectrum signals are collected through the spectrum probe 11 and then transmitted to the spectrometer 7 for spectrum analysis, the analyzed results are transmitted to the central processor 3 and compared with a built-in database of the central processor 3, so that detection results are obtained, processing results obtained by the central processor 3 are transmitted to the external controller 1, finally, the display screen 101 of the external controller 1 displays the detection results, and the detection results can also be transmitted to a computer through the USB data interface.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.
Claims (3)
1. The utility model provides an indoor air short-term test appearance which characterized in that: the air filter comprises an air filter (8), wherein the air filter (8) comprises a device shell (302) and a sample chamber (303), a servo motor (305) is installed on the inner side of the shell (302), one end of the servo motor (305) is connected with an electric switch door (304), ionization devices (306) are installed on two sides of the shell (302), a filter screen (307) is arranged on the rear side of the air filter (8), a fan (308) is installed inside the sample chamber (303), a focusing lens (309) is arranged on one side, away from the servo motor, of the air filter (8), and a small hole (301) is formed in the bottom of the air filter (8);
a laser focusing device (9) is arranged at the side end of the air filter (8), a first metal support (201) is connected to the side end of the air filter (8), and the first metal support (201) and the laser focusing device (9) are located on the same side of the air filter (8);
one end of the first metal support (201) is connected with an air filter (8), one end, far away from the air filter (8), of the first metal support (201) is connected with a solid laser (6), a laser emitting port (601) is formed in the side end of the solid laser (6), the laser emitting port (601) and the first metal support (201) are located on the same side of the solid laser (6), and the laser emitting port (601), the laser focusing device (9) and the focusing lens (309) are located on the same horizontal position;
one end of the solid laser (6) is connected with a first metal support (201), one end, far away from the first metal support (201), of the solid laser (6) is connected with a central processing unit (3), the lower end portion of the central processing unit (3) is provided with a lithium battery power supply (4) and a USB public data interface (5), the side end of the central processing unit (3) is provided with a spectrometer (7), and the central processing unit (3) is in communication connection with the solid laser (6), a laser focusing device (9) and the spectrometer (7) respectively;
spectrometer (7) and solid laser (6) are located same one side of central processing unit (3), and spectrometer (7) are located the below of solid laser (6), the side of spectrometer (7) is equipped with detector (10) and second metal support (202), and the one end and the spectrometer (7) of second metal support (202) are connected, and the one end that spectrometer (7) were kept away from in second metal support (202) is equipped with spectrum probe (11), and spectrum probe (11) are located aperture (301) under, spectrum probe (11) and spectrometer (7) communication connection.
2. The indoor air rapid detector according to claim 1, characterized in that: the solid laser device is characterized in that one end, far away from the solid laser device (6), of the central processing unit (3) is connected with an external controller (1), the external controller (1) comprises a display screen (101) and a key (102), the lower end portion of the external controller (1) is provided with a handheld device (2), and the external controller (1) is in communication connection with the central processing unit (3).
3. The indoor air rapid detector according to claim 2, characterized in that: the solid laser (6) is an Nd: YAG laser, the detector (10) is an ICCD detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222108093.2U CN218674740U (en) | 2022-08-11 | 2022-08-11 | Indoor air short-term test appearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222108093.2U CN218674740U (en) | 2022-08-11 | 2022-08-11 | Indoor air short-term test appearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218674740U true CN218674740U (en) | 2023-03-21 |
Family
ID=85555406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222108093.2U Active CN218674740U (en) | 2022-08-11 | 2022-08-11 | Indoor air short-term test appearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218674740U (en) |
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2022
- 2022-08-11 CN CN202222108093.2U patent/CN218674740U/en active Active
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231205 Address after: Room 503-9, Building 01, Renheng Land Plaza, No. 60 Xiankun Road, Jianye District, Nanjing City, Jiangsu Province, 210000 Patentee after: Nanjing Yiqiao Information Technology Co.,Ltd. Address before: 210044, No. 219, Ning six road, Pukou District, Jiangsu, Nanjing Patentee before: Nanjing University of Information Science and Technology |