CN114414534A - Intelligent induction and agglomerate fog detection device, system and method - Google Patents
Intelligent induction and agglomerate fog detection device, system and method Download PDFInfo
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- CN114414534A CN114414534A CN202210056238.0A CN202210056238A CN114414534A CN 114414534 A CN114414534 A CN 114414534A CN 202210056238 A CN202210056238 A CN 202210056238A CN 114414534 A CN114414534 A CN 114414534A
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- 238000001514 detection method Methods 0.000 title claims abstract description 55
- 230000006698 induction Effects 0.000 title claims abstract description 9
- 238000000034 method Methods 0.000 title description 6
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000012544 monitoring process Methods 0.000 claims description 6
- 230000006855 networking Effects 0.000 claims description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 5
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 5
- 241001330002 Bambuseae Species 0.000 claims description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 5
- 239000011425 bamboo Substances 0.000 claims description 5
- 230000007613 environmental effect Effects 0.000 claims description 3
- 230000001678 irradiating effect Effects 0.000 claims description 3
- 210000004185 liver Anatomy 0.000 claims description 3
- 239000003595 mist Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 18
- 230000008901 benefit Effects 0.000 description 7
- 238000009423 ventilation Methods 0.000 description 3
- 238000000149 argon plasma sintering Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
- G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
- G01N21/538—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke for determining atmospheric attenuation and visibility
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N2021/4704—Angular selective
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N2021/4704—Angular selective
- G01N2021/4711—Multiangle measurement
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The invention discloses an intelligent induction and agglomerate fog detection device, which comprises a control box body, wherein a fixed pipe is fixedly connected with the surface of one side of the control box body, a square cylinder is fixedly arranged on the surface of one end of the fixed pipe, a through hole is arranged on the side surface of the square cylinder, a steering motor is fixedly arranged at the bottom of the square cylinder, an installation block is fixedly arranged at the shaft end of the steering motor, a laser detection head is fixedly arranged on the surface of one side of the installation block, a sensor is fixedly arranged on the surface of the other side of the square cylinder, an adjusting motor is fixedly arranged on the side surface of the fixed pipe, a threaded rod is rotatably arranged at one end of the adjusting motor, a threaded ring is in threaded connection with the surface of one end of the threaded ring, an installation plate is fixedly connected with the surface of one end of the threaded ring, and a detection plate is fixedly arranged on the surface of one side of the installation plate, so that the convenience and the stability of use can be greatly improved, the accuracy and the universality of detection are ensured.
Description
Technical Field
The invention relates to the field of group fog detection, in particular to an intelligent induction and group fog detection device, system and method.
Background
In the current daily life, the use of the highway is more and more common, and in the high-speed driving, the fog phenomenon easily occurs in some areas, the visibility is obviously reduced, the driving safety is threatened, and the fog phenomenon needs to be detected so as to realize quick identification and early warning and ensure the safety.
However, most of the existing group fog detection and early warning methods are manual detection by assuming that a camera is matched with an visibility meter, so that the efficiency is low, the detection range is small due to the fact that the equipment cost is high, large-scale laying and application cannot be achieved, the detection method can only be used in local areas, the timeliness and the universality of group fog detection are affected, and a new device and a new method are to be provided.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide an intelligent induction and group fog detection device, system and method, wherein a control box body is connected with a fixed pipe and a square barrel to facilitate positioning and installation, meanwhile, an internal steering is connected with an installation block and a laser detection head, and an external installation plate is combined to be connected with a detection plate, so that different distances of knives in different directions can be adjusted, and therefore, the brightness weakening change after light scattering is detected, and the group fog first-level concentration ratio is judged.
In order to solve the above problems, the present invention adopts the following technical solutions.
The intelligent inducing and agglomerate fog detecting device comprises a control box body, wherein a fixed pipe is fixedly connected with the surface of one side of the control box body, a square cylinder is fixedly arranged on the surface of one end of the fixed tube, a through hole is arranged on the side surface of the square cylinder, the bottom of the square cylinder is fixedly provided with a steering motor, the shaft end of the steering motor is fixedly provided with an installation block, a laser detection head is fixedly arranged on the surface of one side of the mounting block and is positioned at one side of the through hole, a sensor is fixedly arranged on the surface of the other side of the square cylinder, an adjusting motor is fixedly arranged on the side surface of the fixed tube, one end of the adjusting motor is rotatably provided with a threaded rod, the surface of one end of the threaded rod is connected with a threaded ring in a threaded manner, the surface of one end of the threaded ring is fixedly connected with a mounting plate, a detection plate is fixedly mounted on the surface of one side of the mounting plate, and the surface of one side of the detection plate is located at the position of the other side of the through hole.
Furthermore, the one end side fixedly connected with guide bar of fixed pipe, the guide bar is located one side position of screw thread liver, through the installation guide bar, does benefit to the direction and supports, guarantees the stability that the mounting panel is connected.
Furthermore, the other side fixed surface of screw ring is connected with the guide ring, the side slip of guide ring cup joints in the surface of guide bar, connects the guide bar through the guide ring, can the sliding guide, avoids the dislocation to interfere, and is convenient stable.
Furthermore, the guide rods and the mounting plates are four and are respectively positioned on the peripheral side of the square cylinder.
Further, the one end fixed surface of a square section of thick bamboo installs the apron, the one end fixed surface of apron installs the fan, through apron installation fan, can avoid steam to disturb the influence to inside ventilation exhaust, improves and detects the accuracy.
Further, a heating wire is fixedly installed on the surface of one side of the square cylinder, the surface of the heating wire is located on the surface of one side of the square cylinder, the heating wire is installed through the cover plate, heating and exhausting can be achieved, efficiency and stability are improved, and control and use are facilitated.
Further, the other end fixed surface of square section of thick bamboo is connected with the support, the one end fixed mounting of support has solar panel, through support mounting solar panel, can supply power, also can protect the installation, does benefit to the use.
Further, the control box body comprises a controller, the controller is connected with a sensor module, a power supply module, a position module and a networking module in parallel through a circuit, the controller is connected with a detection module in series through a circuit, the detection module is connected with a driving module, a light emitting module, a brightness module and a calculation module in parallel through a circuit, through a connection control system, automatic operation can be carried out, detection and judgment are carried out, and high efficiency and stability precision are achieved.
Further, the detection method comprises the following steps:
s1, fixedly installing the control box body at the monitoring position, and connecting a network and a circuit so as to position the square cylinder at the working position;
s2, the sensor monitors the environmental change, accords with the cluster fog state, and sends out the monitoring quality;
s3, receiving an instruction through the controller, and controlling the adjusting motor to drive the threaded rod to rotate by the driving module to drive the mounting plates at different positions to move and form different intervals with the square cylinder;
s4, emitting infrared laser by the laser detection head of the light emitting module, irradiating the infrared laser to the detection plate through the through hole, receiving the brightness of the laser by the brightness module, calculating by the calculation module, and judging the brightness change attenuation rate;
s5, the driving module controls the steering motor to start, drives the mounting block to rotate ninety degrees, aligns the laser detection head to the other side position, repeats the operation and calculates the variation attenuation rate;
and S6, sequentially carrying out four operations, sending the collected four results to a command center through a networking module, judging the state and concentration of the mist, and carrying out early warning prompt.
Compared with the prior art, the invention has the advantages that:
(1) this scheme is connected fixed pipe and square section of thick bamboo through the control box, does benefit to the location installation, turns to in inside simultaneously and connects installation piece and laser detection head, combines outside mounting panel connection pick-up plate, can adjust the different intervals of sword equidirectional not, thereby the luminance after the detection light scattering is weakened and is changed, thereby judge group's fog one-level concentration ratio, high-efficient stable with low costs does benefit to extensive application, the system that the set matches, can system operation control, reduce manual operation, and is convenient high-efficient.
(2) Through the installation guide bar, do benefit to the direction and support, guarantee the stability that the mounting panel is connected.
(3) The guide rod is connected through the guide ring, so that the guide rod can be guided in a sliding manner, the dislocation interference is avoided, and the guide rod is convenient and stable.
(4) Through apron installation fan, can avoid steam to disturb the influence to inside ventilation exhaust, improve and detect the accuracy.
(5) The heating wires are installed on the cover plate, so that exhaust can be heated, the efficiency and the stability are improved, and the control and the use are facilitated.
(6) Through support mounting solar panel, can supply power, also can protect the installation, do benefit to the use.
(7) Through connection control system, can automatic operation detect the judgement, high-efficient stable precision height.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a partial schematic view of the mounting plate connection of the present invention;
FIG. 3 is a partial block diagram of the cover connection of the present invention;
fig. 4 is a schematic block diagram of the system of the present invention.
The reference numbers in the figures illustrate:
the solar panel comprises a control box body 1, a fixed pipe 11, a square barrel 12, a through hole 13, a steering motor 14, a mounting block 15, a laser detection head 16, a sensor 17, a mounting plate 18, a detection plate 19, an adjusting motor 2, a threaded rod 21, a threaded ring 22, a guide rod 23, a guide ring 24, a cover plate 25, a fan 26, a heating wire 27, a support 28 and a solar panel 28.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
Referring to fig. 1-4, the intelligent induction and fog detecting device includes a control box 1, referring to fig. 1 and 2, a fixed tube 11 is fixedly connected to a surface of one side of the control box 1, a square tube 12 is fixedly mounted on a surface of one end of the fixed tube 11, a through hole 13 is disposed on a side surface of the square tube 12, a steering motor 14 is fixedly mounted at a bottom of the square tube 12, and can rotate a knife in different directions for detection, so as to output a plurality of results, ensure accuracy, avoid interference, a mounting block 15 is fixedly mounted at a shaft end of the steering motor 14, a laser detecting head 16 is fixedly mounted on a surface of one side of the mounting block 15, and can emit infrared laser to perform detection, and form different brightness attenuations through different distances, so as to calculate intensity attenuation rate, thereby judge fog state and concentration range, facilitate operation and use, and is stable and efficient, the laser detecting head 16 is located at a position of one side of the through hole 13, the other side fixed surface of square section of thick bamboo 12 installs sensor 17, can real-time supervision certain area's humiture and illumination intensity, guarantee the precision, avoid local factor to disturb, the side fixed mounting of fixed pipe 11 has adjusting motor 2, adjusting motor 2's one end is rotated and is installed threaded rod 21, the one end surface threaded connection of threaded rod 21 has screw ring 22, the one end fixed surface of screw ring 22 is connected with mounting panel 18, one side fixed surface of mounting panel 18 installs pick-up plate 19, can receive infrared laser and monitor luminance, and then calculate the decay rate, conveniently adjust the use, one side surface of pick-up plate 19 is located the other side position of through-hole 12.
Referring to fig. 2, a guide rod 23 is fixedly connected to a side surface of one end of the fixed tube 11, the guide rod 23 is located on one side of the threaded liver 21, and the guide rod 23 is installed to facilitate guiding and supporting and ensure the stability of installation plate connection, a guide ring 24 is fixedly connected to the surface of the other side of the threaded ring 22, the side surface of the guide ring 24 is slidably sleeved on the surface of the guide rod 23, and the guide rod 23 is connected through the guide ring 24 to achieve sliding guiding, avoid dislocation interference, and be convenient and stable.
Please refer to fig. 1 and fig. 3, a cover plate 25 is fixedly installed on one end surface of the square tube 12, a fan 26 is installed on one end surface of the cover plate 25, the fan 26 is installed through the cover plate 25, internal ventilation and exhaust can be achieved, steam interference influence can be avoided, detection accuracy is improved, a heating wire 27 is fixedly installed on one side surface of the square tube 12, the surface of the heating wire 27 is located on one side surface of the square tube 12, the heating wire 27 is installed through the cover plate 25, exhaust can be heated, efficiency and stability are improved, control and use are facilitated, a support 28 is fixedly connected to the other end surface of the square tube 12, a solar panel 29 is fixedly installed at one end of the support 28, the solar panel 29 is installed through the support, power supply can be achieved, protection and installation can be achieved, and use is facilitated.
Referring to fig. 1 and 4, the control box 1 includes a controller, the controller is connected in parallel with a sensor module, a power supply module, a position module and a networking module through circuits, the controller is connected in series with a detection module through circuits, the detection module is connected in parallel with a driving module, a light emitting module, a brightness module and a calculation module through circuits, and the detection module can automatically run to perform detection and judgment through connection with a control system, so that the high-efficiency stability precision is high.
The detection method comprises the following steps:
s1, fixedly installing the control box body at the monitoring position, and connecting a network and a circuit so as to position the square cylinder at the working position;
s2, the sensor monitors the environmental change, accords with the cluster fog state, and sends out the monitoring quality;
s3, receiving an instruction through the controller, and controlling the adjusting motor to drive the threaded rod to rotate by the driving module to drive the mounting plates at different positions to move and form different intervals with the square cylinder;
s4, emitting infrared laser by the laser detection head of the light emitting module, irradiating the infrared laser to the detection plate through the through hole, receiving the brightness of the laser by the brightness module, calculating by the calculation module, and judging the brightness change attenuation rate;
s5, the driving module controls the steering motor to start, drives the mounting block to rotate ninety degrees, aligns the laser detection head to the other side position, repeats the operation and calculates the variation attenuation rate;
and S6, sequentially carrying out four operations, sending the collected four results to a command center through a networking module, judging the state and concentration of the mist, and carrying out early warning prompt.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (9)
1. Induced and group's fog detection device of intelligence, including control box (1), its characterized in that: the device comprises a control box body (1), a fixed pipe (11) is fixedly connected to one side surface of the control box body (1), a square cylinder (12) is fixedly mounted to one end surface of the fixed pipe (11), a through hole (13) is formed in the side surface of the square cylinder (12), a steering motor (14) is fixedly mounted to the bottom of the square cylinder (12), a mounting block (15) is fixedly mounted to the shaft end of the steering motor (14), a laser detection head (16) is fixedly mounted to one side surface of the mounting block (15), the laser detection head (16) is located at one side position of the through hole (13), a sensor (17) is fixedly mounted to the other side surface of the square cylinder (12), an adjusting motor (2) is fixedly mounted to the side surface of the fixed pipe (11), a threaded rod (21) is rotatably mounted to one end of the adjusting motor (2), and a threaded ring (22) is connected to one end surface of the threaded rod (21), the surface of one end of the threaded ring (22) is fixedly connected with a mounting plate (18), a detection plate (19) is fixedly mounted on the surface of one side of the mounting plate (18), and the surface of one side of the detection plate (19) is located on the position of the other side of the through hole (12).
2. The device of claim 1, wherein the device comprises: the side face of one end of the fixed pipe (11) is fixedly connected with a guide rod (23), and the guide rod (23) is located on one side of the threaded liver (21).
3. The intelligent induction and cloud detection device of claim 2, wherein: the other side surface of the threaded ring (22) is fixedly connected with a guide ring (24), and the side surface of the guide ring (24) is sleeved on the surface of the guide rod (23) in a sliding manner.
4. The device of claim 3, wherein: the four guide rods (23) and the four mounting plates (18) are respectively arranged on the peripheral side surfaces of the square cylinder (12).
5. The device of claim 1, wherein the device comprises: the fan is characterized in that a cover plate (25) is fixedly arranged on the surface of one end of the square cylinder (12), and a fan (26) is fixedly arranged on the surface of one end of the cover plate (25).
6. The device of claim 1, wherein the device comprises: the heating wire (27) is fixedly installed on the surface of one side of the square cylinder (12), and the surface of the heating wire (27) is located on the surface of one side of the square cylinder (12).
7. The device of claim 1, wherein the device comprises: the other end fixed surface of square section of thick bamboo (12) is connected with support (28), the one end fixed mounting of support (28) has solar panel (29).
8. The intelligent induction and cloud detection system of claim 1, wherein: the control box body (1) comprises a controller, the controller is connected with a sensor module, a power supply module, a position module and a networking module in parallel through a circuit, the controller is connected with a detection module in series through the circuit, and the detection module is connected with a driving module, a light emitting module, a brightness module and a calculating module in parallel through the circuit.
9. The intelligent induction and cloud detection method of claim 1, wherein: the detection method comprises the following steps:
s1, fixedly installing the control box body at the monitoring position, and connecting a network and a circuit so as to position the square cylinder at the working position;
s2, the sensor monitors the environmental change, accords with the cluster fog state, and sends out the monitoring quality;
s3, receiving an instruction through the controller, and controlling the adjusting motor to drive the threaded rod to rotate by the driving module to drive the mounting plates at different positions to move and form different intervals with the square cylinder;
s4, emitting infrared laser by the laser detection head of the light emitting module, irradiating the infrared laser to the detection plate through the through hole, receiving the brightness of the laser by the brightness module, calculating by the calculation module, and judging the brightness change attenuation rate;
s5, the driving module controls the steering motor to start, drives the mounting block to rotate ninety degrees, aligns the laser detection head to the other side position, repeats the operation and calculates the variation attenuation rate;
and S6, sequentially carrying out four operations, sending the collected four results to a command center through a networking module, judging the state and concentration of the mist, and carrying out early warning prompt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210056238.0A CN114414534B (en) | 2022-01-18 | 2022-01-18 | Intelligent induction and mist detection device, system and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210056238.0A CN114414534B (en) | 2022-01-18 | 2022-01-18 | Intelligent induction and mist detection device, system and method |
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| CN114414534B CN114414534B (en) | 2023-10-31 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1248961A (en) * | 1968-11-19 | 1971-10-06 | Allen Lonford & Associates Ltd | Improvements in and relating to a system and apparatus for measuring the optical transmittance of the atmosphere |
| JP2000056037A (en) * | 1998-08-04 | 2000-02-25 | Michio Tsujiura | Line of sight guiding system via fog detection |
| CN208818835U (en) * | 2018-09-11 | 2019-05-03 | 大舜激光(黄山)科技有限公司 | Visibility laser radar and detection system for expressway fog monitoring |
| CN210015038U (en) * | 2019-05-07 | 2020-02-04 | 杭州威安科技有限公司 | Gas detector with open path |
| CN111583667A (en) * | 2020-03-17 | 2020-08-25 | 安徽中科天达信息技术有限公司 | Expressway is with group fog detection device based on thing networking |
| CN211699216U (en) * | 2020-03-11 | 2020-10-16 | 安徽中科天达信息技术有限公司 | Group fog early warning device based on thing networking |
| CN112750316A (en) * | 2020-12-23 | 2021-05-04 | 四川微迪智控科技有限公司 | Intelligent induction and agglomerate fog detection device, system and method |
-
2022
- 2022-01-18 CN CN202210056238.0A patent/CN114414534B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1248961A (en) * | 1968-11-19 | 1971-10-06 | Allen Lonford & Associates Ltd | Improvements in and relating to a system and apparatus for measuring the optical transmittance of the atmosphere |
| JP2000056037A (en) * | 1998-08-04 | 2000-02-25 | Michio Tsujiura | Line of sight guiding system via fog detection |
| CN208818835U (en) * | 2018-09-11 | 2019-05-03 | 大舜激光(黄山)科技有限公司 | Visibility laser radar and detection system for expressway fog monitoring |
| CN210015038U (en) * | 2019-05-07 | 2020-02-04 | 杭州威安科技有限公司 | Gas detector with open path |
| CN211699216U (en) * | 2020-03-11 | 2020-10-16 | 安徽中科天达信息技术有限公司 | Group fog early warning device based on thing networking |
| CN111583667A (en) * | 2020-03-17 | 2020-08-25 | 安徽中科天达信息技术有限公司 | Expressway is with group fog detection device based on thing networking |
| CN112750316A (en) * | 2020-12-23 | 2021-05-04 | 四川微迪智控科技有限公司 | Intelligent induction and agglomerate fog detection device, system and method |
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|---|---|
| CN114414534B (en) | 2023-10-31 |
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