AU2021103452A4 - Water surface oil spill monitoring and early warning system and monitoring method thereof - Google Patents
Water surface oil spill monitoring and early warning system and monitoring method thereof Download PDFInfo
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- AU2021103452A4 AU2021103452A4 AU2021103452A AU2021103452A AU2021103452A4 AU 2021103452 A4 AU2021103452 A4 AU 2021103452A4 AU 2021103452 A AU2021103452 A AU 2021103452A AU 2021103452 A AU2021103452 A AU 2021103452A AU 2021103452 A4 AU2021103452 A4 AU 2021103452A4
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 66
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 239000003305 oil spill Substances 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 30
- 238000007667 floating Methods 0.000 claims abstract description 26
- 238000002189 fluorescence spectrum Methods 0.000 claims abstract description 26
- 238000012806 monitoring device Methods 0.000 claims abstract description 23
- 230000002159 abnormal effect Effects 0.000 claims description 6
- 230000003595 spectral effect Effects 0.000 claims description 6
- 238000010248 power generation Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 39
- 238000001069 Raman spectroscopy Methods 0.000 description 7
- 238000002474 experimental method Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000005416 organic matter Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002795 fluorescence method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
-
- 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
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/6402—Atomic fluorescence; Laser induced fluorescence
-
- 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
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/65—Raman scattering
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
- G01N33/1826—Organic contamination in water
- G01N33/1833—Oil in water
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- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Biochemistry (AREA)
- Analytical Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Environmental & Geological Engineering (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Toxicology (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Optics & Photonics (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The invention discloses a water surface oil spill monitoring and early warning
system, including a water surface oil spill monitoring device, which is composed of a
floating platform, four floats, an oil pollution monitor, a wireless data transmission
device, solar cells and a solar panel group; the four floats are respectively fixed at the
four corners of the bottom surface of the floating platform; the oil pollution monitor is
composed of an ultraviolet laser and a fluorescence spectrum analyzer, the laser
emitting end and the light detection end of the two are set toward the water surface;
The wireless data transmission device is fixed on the upper end of the oil pollution
monitor, which is connected with the fluorescence spectrum analyzer ; the solar cell
and the solar panel group are set on the floating platform; the solar cell is connected
with the oil pollution monitor, the wireless data transmission device and the solar
panel group; the water surface oil spill monitoring and early warning system and
method are more accurate, and it can accurately measure the thickness of the oil film
on the water surface to effectively identify the type of oil pollution and give an alarm
when the oil pollution is detected, which saves the cost of human resources to the
greatest extent and improves the efficiency of detection and early warning.
DRAWINGS
6
4
5 3
CY-2
FIG. 1
Mo Normal monitoring '
Whether the fluorescence intensity
No oil slick on the water change measured by the oil spill sensor
exceeds the threshold
YES
Oil slick on the water
F _ 1b Monitoring platform alarm
The alarm is suspended
for 30 minutes
NO YES
-Whether the alarm is >handled
FIG. 2
1/2
Description
6 4
5 3
CY-2
FIG. 1
Mo Normal monitoring '
Whether the fluorescence intensity No oil slick on the water change measured by the oil spill sensor exceeds the threshold
Oil slick on the water
F_ 1b Monitoring platform alarm
The alarm is suspended for 30 minutes
NO YES -Whether the alarm is >handled
FIG. 2
1/2
Water Surface Oil Spill Monitoring and Early Warning System and Monitoring Method thereof
Technical field The invention relates to the technical field of oil spill monitoring, in particular to a water surface oil spill monitoring and early warning system and monitoring method thereof.
Background technique Any discussion of the prior art throughout the specification should in no way be considered as an admission that such prior art is widely known or forms part of common general knowledge in the field. At present, China has established a complete oil spill response system, which can effectively respond to sudden oil spill accidents. For a long time, oil spills have posed a major threat to water bodies and the coastal environment. To reduce the harm caused by oil spill accidents and reduce the consequences of the accident, the efficient linkage of oil spill monitoring technology and emergency system is one of the main ways to prevent the expansion of accident hazards. The existing oil spill monitoring technology has the following shortcomings: 1) The oil pollution monitoring has low efficiency and poor reliability. Under normal circumstances, large-area oil spill accidents rarely occur, but small-area oil pollution occurs from time to time. This small-scale oil slick has the characteristics of the unfixed location and difficult to monitor; 2) The monitoring accuracy is low, and false alarms and omissions are prone to occur. The traditional fluorescence method is to directly measure the fluorescence intensity of the oil film and calculate the oil film thickness through fluorescence intensity analysis at a fixed position. This method is only suitable for fixed distance measurement. In actual conditions, factors such as waves will cause large errors in monitoring; 3) Poor linkage, traditional monitoring methods lack effective linkage with alarm technology, and management personnel is complicated to operate. In summary, the traditional oil spill monitoring technology has the characteristics of low monitoring efficiency, poor accuracy, and lack of linkage.
Summary of the invention It is an object of the present invention to overcome or ameliorate at least one of the disadvantages of the prior art, or to provide a useful alternative. The purpose of at least embodiments of the present invention is to provide a water surface oil spill monitoring and early warning system suitable for coastal ports, inland rivers, and other water body environments. Another purpose of at least embodiments of the present invention is to provide a monitoring method by water surface oil spill monitoring and early warning system. For this reason, the technical outline of the present invention is as follows: A water surface oil spill monitoring and early warning system includes a water surface oil spill monitoring device, which is composed of a floating platform, four floats, an oil pollution monitor, a wireless data transmission device, solar cells, and a solar panel group. Among them, the four floats are respectively fixed at the four corners of the bottom surface of the floating platform; the oil pollution monitor is composed of an ultraviolet laser and a fluorescence spectrum analyzer set in the instrument housing, and the laser emitting end of the ultraviolet laser and the light detection end of the fluorescence spectrum analyzer both pass through the installation on the floating platform. The wireless data transmission device is installed on the top of the oil pollution monitor, which is connected to the ultraviolet laser and the fluorescence spectrum analyzer through the data transmission line. The solar cell is installed in the waterproof shell fixed at the center of the floating platform and is connected to the ultraviolet laser, the fluorescence spectrum analyzer, and the wireless data transmission device is electrically connected to achieve power supply. The solar panel group is composed of four solar panels uniformly arranged in the circumferential direction, which are arranged above the solar cells and each solar panel passes through multiple solar panels. The support rods are arranged obliquely with the plate surface facing upward, and each solar panel is electrically connected with the solar cell. Further, the ultraviolet laser adopts an ultraviolet laser with a wavelength of 405 mm and a maximum output power of 800 MW; the fluorescence spectrum analyzer adopts a fluorescence spectrum analyzer with a spectral range of 400 ~ 800 nm and a spectral resolution of 2 ~ 3 nm. Further, the wireless data transmission device is a 4G router or a WIFI router. Further, the float adopts a float ball whose size meets the following requirements: the buoyancy generated by all four float balls immersed in the water is more than twice the total weight of the rest of the components, and when the four float balls are placed in the water, the bottom surface of the floating platform The distance to the water surface is >14cm. Further, the separation distance between adjacent floating balls is >0.3m. Further, the sum of the average power generation of the four solar panels is 20w. Further, the water surface oil spill monitoring and early warning system also includes a server, at least one industrial computer, and multiple movable monitoring devices arranged in the central control room; wherein, the server is connected to the oil pollution monitor using wireless data transmission, the industrial computer is connected to the server through a data transmission line, and multiple mobile monitoring devices are respectively connected to the server through wireless data transmission; the mobile monitoring device is a mobile phone or a tablet. The specific steps of the monitoring method by water surface oil spill monitoring and early warning system are as follows: Si. The ultraviolet laser emits an ultraviolet laser toward the lower water surface at an interval of 3-5s with a wavelength of 405nm; at the same time, the fluorescence spectrum analyzer receives the fluorescence reflected by the water surface and obtains the fluorescence intensity signal; S2. The fluorescence intensity signal is transmitted to the industrial computer through the wireless data transmission device in real-time, and the industrial computer draws the fluorescence intensity change curve and compares it with the set fluorescence intensity threshold to judge whether the fluorescence intensity change curve is abnormal: 1) When the fluorescence intensity change curve received at any monitoring point is judged to be in a normal state, that is, there is no oil spill phenomenon, and the server does not issue an alarm signal; 2) When the fluorescence intensity change curve received by any monitoring point is judged to be abnormal, the oil spill phenomenon occurs, and the server sends out an alarm signal and transmits it to the industrial computer or mobile monitoring device; S3. The industrial computer or mobile monitoring device receives the alarm signal and sends out an alarm reminder to remind the staff to cancel the alarm signal and deal with the alarm situation;
S4. If the worker does not cancel the alarm signal in step S3, the alarm function of the monitoring point will be suspended, and the normal working state will be restored after 30 minutes. The water surface oil spill monitoring and early warning system and monitoring method thereof use the properties of oil film reflection fluorescence to monitor and early warning of water surface oil spills. Compared with the traditional method, it has higher accuracy and can accurately measure the thickness of the oil film on the water surface, thereby effectively identifying the type of oil pollution. When the oil pollution is detected, the system can transmit the alarm signal to the PC or mobile phone through the Internet of Things technology to complete the monitoring and alarm functions, which saves the cost of human resources to the greatest extent and improve the efficiency of detection and early warning. Unless the context clearly requires otherwise, throughout the description and the claims, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is to say, in the sense of "including, but not limited to".
Description of the drawings Fig 1 is a schematic diagram of the structure of the water surface oil spill monitoring and early warning system of the present invention; Fig 2 is a flow chart of the method for monitoring and early warning of surface oil spills according to the present invention; Fig. 3 is a fluorescence spectrogram of crude oil with different oil film thicknesses obtained by adopting a water surface oil spill monitoring and early warning system and method in an embodiment of the present invention; Fig. 4 is the field monitoring data obtained by adopting the water surface oil spill monitoring and early warning system and method in the embodiment of the present invention.
Detailed ways The present invention will be further described below concerning the drawings and specific embodiments, but the following embodiments do not limit the present invention in any way. As shown in Fig 1, the water surface oil spill monitoring and early warning system includes multiple water surface oil spill monitoring devices installed in the monitored water area, as well as a server and an industrial computer installed in the central control room, as well as multiple movable monitoring devices, Each surface oil spill monitoring device is composed of a floating platform 1, four floats 2, an oil pollution monitor 3, a wireless data transmission device 4, a solar cell 5, and a solar panel group 6; specifically, The oil pollution monitor 3 is composed of an ultraviolet laser and a fluorescence spectrum analyzer arranged in the instrument housing; wherein, the floating platform 1 is provided with a mounting hole, so that the lower side of the instrument housing partially penetrates from the mounting hole to the bottom of the floating platform 1, so that the ultraviolet the laser emitting end of the laser and the light detecting end of the fluorescence spectrum analyzer are set up diagonally downward or vertically downward; among them, the ultraviolet laser adopts an ultraviolet laser with a wavelength of 405mm and a maximum output power of 800mw; the fluorescence spectrum analyzer adopt a fluorescence spectrum analyzer with a spectral range of 400-800nm and a spectral resolution of 2-3nm; the selection and configuration of the two equipment can realize the measurable oil film thickness between1m-30mm, and the thickness measurement accuracy is less than 10%; the instrument housing is fixed to the support rod of the solar panel group 6 by a binding band to fix the setting state of the oil pollution monitor 3; The monitoring principle of the oil pollution monitor 3 is the Raman scattering effect. The ultraviolet laser probe in the sensor emits laser light to excite organic matter in the water to cause Raman scattering, which is absorbed by the fluorescence spectrum analyzer to obtain the corresponding fluorescence intensity value; as shown in Fig 3 when there is no oil on the water surface, the Raman scattering value monitored by the oil pollution monitor 3 will stabilize within a range; and when oily substances pass by, the oil film is excited by the laser to increase the fluorescence reflection, and due to the effect of the oil film, the transmission the intensity of the laser light irradiated by the oil film on the water surface decreases, and then the Raman scattering intensity of the organic matter in the water decreases; and with the increase of the oil film thickness, the Raman scattering intensity of the organic matter in the water after deducting the fluorescent background gradually decreases, while the Raman scattering intensity of the oil fluorescence gradually decreases, and the Raman scattering intensity of the oil fluorescence gradually increases, thereby effectively identifying whether the oil film appears on the water surface and the thickness of the oil film. The wireless data transmission device 4 is fixed on the top side of the oil pollution monitor 3; which is specifically a 4G router; the 4G router is connected to the fluorescence spectrum analyzer through a data transmission line, and is used to transmit the fluorescence intensity signal obtained by the laser emitting device of the ultraviolet laser and the fluorescence spectrum analyzer in real-time to the industrial computer; The solar cell 5 is arranged in a waterproof housing fixed at the center of the floating platform 1 and is electrically connected with an ultraviolet laser, a fluorescence spectrum analyzer, and a wireless data transmission device 4 to realize power supply; The solar panel group 6 is composed of four solar panels evenly arranged in the circumferential direction, and is arranged above the solar cell 5; each solar panel is arranged diagonally with its plate facing upward through a plurality of supporting rods, and each solar panels are respectively electrically connected to the solar cells 5 for charging the solar cells 5. In this embodiment, the solar cell adopts a high-power generation monocrystalline silicon solar wireless power storage battery panel, which is equipped with lead solar cells and corresponding voltage conversion circuits; the average power generation of the four solar panels is 20W so that the power supply voltage of the solar cells is 12~14V; before the experiment, use a multimeter to measure the voltage at the voltage adapter to ensure that the output voltage is 12-14V, otherwise, you need to use an external charging device for charging; after the output voltage is determined to be normal, connect the laser to the power supply, the laser can be seen to work normally after power on, and the laser light is emitted to the water surface according to the set frequency and interval time; The four floats 2 are respectively fixed at the four corners of the bottom surface of the floating platform 1. Among them, the float uses a float ball with a diameter of 28cm. The maximum total buoyancy of the four floats is 450N so that floating platform 1 is kept at a safe distance of 14cm from the water surface. And the distance between adjacent floating balls is 0.3m, to effectively prevent the monitoring caused by wind and waves. At the same time, the structure of the floating platform and the four floating balls have good wave riding performance, which can meet the requirements of long-term use. In the environment of severe sea conditions, it has strong stability and can effectively block the interference of sunlight during the monitoring process, for example, it can effectively prevent the interference of sunlight reflection caused by wind and waves. The server is connected to the oil pollution monitor 3 by wireless data transmission to receive and store the data signals transmitted by the ultraviolet laser and the fluorescence spectrum analyzer, and determine whether the real-time fluorescence intensity value exceeds the set threshold; the industrial computer is connected to the server through the data transmission line connection, multiple mobile monitoring devices are respectively connected to the server through wireless data transmission, used for the server to calculate whether the real-time fluorescence intensity value exceeds the set threshold, and send an alarm signal to the industrial computer and multiple mobile monitoring devices ; Among them, the mobile monitoring device is a mobile phone or tablet; in the specific implementation process, the industrial computer and each mobile monitoring device are equipped with monitoring software used in conjunction with the server to receive real-time oil spill alarm signals on the water surface, and at the same time , the data stored on the server is accessed through the industrial computer and each movable monitoring device to regularly check whether the oil pollution monitor 3 is working normally. As shown in Fig 2, the specific implementation steps of the monitoring and early warning method based on the surface oil spill monitoring and early warning system are as follows: Si. The ultraviolet laser emits an ultraviolet laser toward the lower water surface at an interval of 3-5s with a wavelength of 405nm; at the same time, the fluorescence spectrum analyzer receives the fluorescence reflected by the water surface and obtains the fluorescence intensity signal; S2. The fluorescence intensity signal is transmitted to the industrial computer through the wireless data transmission device in real-time, and the industrial computer draws the fluorescence intensity change curve and compares it with the set fluorescence intensity threshold to judge whether the fluorescence intensity change curve is abnormal: 1) When the fluorescence intensity change curve received at any monitoring point is judged to be in a normal state, that is, there is no oil spill phenomenon, and the server does not issue an alarm signal;
2) When the fluorescence intensity change curve received by any monitoring point is judged to be abnormal, the oil spill phenomenon occurs, and the server sends out an alarm signal and transmits it to the industrial computer or mobile monitoring device; S3. The industrial computer or mobile monitoring device receives the alarm signal and sends out an alarm reminder to remind the staff to cancel the alarm signal and deal with the alarm situation; S4. If the worker does not cancel the alarm signal in step S3, the alarm function of the monitoring point will be suspended, and the normal working state will be restored after 30 minutes. Further, the system and method are applied to the actual monitoring environment. Specifically, the experimental site was Weihai City, Shandong Province, China. After preliminary investigations, the main sources of oily wastewater at offshore terminals were ship bilge water, ship washing water, and ship ballast water. The purpose of this experiment is to test the stability of the background value monitored by the device when there are waves on the sea during the day. It should be noted that to obtain better experimental results and not hinder port work, the equipment should be placed in locations with frequent oil spills on the record, and the main ship waterways should be avoided to ensure the safety of the equipment during the experiment. The equipment is fixed to the shore by a soft rope to prevent the equipment from drifting away due to wind and waves. Fig 4 shows the real-time data of the water surface monitoring in this field experiment. Because in this experiment, the inspection equipment monitors the stability of the background value when there are waves on the sea during the day. It can be seen from Fig 4 that during the daytime monitoring process (from 8:00 am to 7:00 pm), the test data are distributed smoothly in the range of 50-100, which shows that the monitoring effect of the system is very stable in the more complicated sea area. And because the experiment was carried out under natural conditions, there was no obvious oil spill fluorescence fluctuation in this monitoring. Combined with on-site observation, it was confirmed that no oil slick passed through the equipment during the monitoring. In summary, the system and method have been verified by experiments to be reasonable and effective.
Claims (8)
1. A water surface oil spill monitoring and early warning system, including a water surface oil spill monitoring device, which consists of a floating platform, four floats, an oil pollution monitor, and a wireless data transmission device, solar cells and solar panel groups; among them, four floats are respectively fixed at the four corners of the bottom surface of the floating platform; the oil pollution monitor is composed of an ultraviolet laser and a fluorescence spectrum analyzer installed in the casing of the instrument, and the laser emitting end of the ultraviolet laser and the light detecting end of the fluorescence spectrum analyzer pass through the mounting hole on the floating platform and are set downward; the wireless data transmission device is set on the top of the oil pollution monitor, it is connected to the ultraviolet laser and the fluorescence spectrum analyzer through the data transmission line; the solar cell is arranged inside the waterproof housing fixed at the center of the floating platform, and is electrically connected with the ultraviolet laser, the fluorescence spectrum analyzer and the wireless data transmission device to realize power supply; the solar panel group is composed of four solar panels uniformly arranged in the circumferential direction, which are arranged above the solar cell and each solar panel is arranged obliquely with its panel surface facing upward through a plurality of support rods, and each solar panel is electrically connected with the solar cell.
2. The water surface oil spill monitoring and early warning system according to claim 1, wherein the ultraviolet laser adopts an ultraviolet laser with a wavelength of 405mm and a maximum output power of 800mw; the fluorescence spectrum analyzer adopts a spectral range of 400-800nm, spectral resolution fluorescence spectrum analyzer with a rate of 2-3nm.
3. The water surface oil spill monitoring and early warning system according to claim 1, wherein the wireless data transmission device is a 4G router or a WIFI router.
4. The water surface oil spill monitoring and early warning system according to claim 1, wherein the float adopts floating ball, the size of which meets the following requirements: the buoyancy generated by all four floats immersed in the water > the total weight of the remaining components, wherein when four floating balls are placed in the water, the distance from the bottom surface of the floating platform to the water surface is >14cm.
5. The water surface oil spill monitoring and early warning system according to claim 4, wherein the separation distance between adjacent floating balls is > 0.3m.
6. The water surface oil spill monitoring and early warning system according to claim 1, wherein the total average power generation of the four solar panels is 20w.
7. The water surface oil spill monitoring and early warning system according to any one of claims 1 to 6, further comprising a server, at least one industrial computer, and multiple movable monitoring devices arranged in a central control room; wherein, the server is connected to the oil pollution monitor through wireless data transmission, the industrial computer is connected to the server through a data transmission line, and multiple mobile monitoring devices are connected to the server through wireless data transmission; the mobile monitoring device is mobile phones or tablets.
8. A monitoring and early warning method based on the water surface oil spill monitoring and early warning system of claim 7, wherein the specific steps are as follows: Si. The ultraviolet laser emits an ultraviolet laser toward the lower water surface at an interval of 3-5s with a wavelength of 405nm; at the same time, the fluorescence spectrum analyzer receives the fluorescence reflected by the water surface and obtains the fluorescence intensity signal; S2. The fluorescence intensity signal is transmitted to the industrial computer through the wireless data transmission device in real-time, and the industrial computer draws the fluorescence intensity change curve and compares it with the set fluorescence intensity threshold to judge whether the fluorescence intensity change curve is abnormal: 1) When the fluorescence intensity change curve received at any monitoring point is judged to be in a normal state, that is, there is no oil spill phenomenon, and the server does not issue an alarm signal; 2) When the fluorescence intensity change curve received by any monitoring point is judged to be abnormal, the oil spill phenomenon occurs, and the server sends out an alarm signal and transmits it to the industrial computer or mobile monitoring device; S3. The industrial computer or mobile monitoring device receives the alarm signal and sends out an alarm reminder to remind the staff to cancel the alarm signal and deal with the alarm situation; S4. If the worker does not cancel the alarm signal in step S3, the alarm function of the monitoring point will be suspended, and the normal working state will be restored after 30 minutes.
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| AU2021103452A AU2021103452A4 (en) | 2021-06-18 | 2021-06-18 | Water surface oil spill monitoring and early warning system and monitoring method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115430470A (en) * | 2022-09-13 | 2022-12-06 | 广东电网有限责任公司 | Oil leakage monitoring and catalytic degradation device system for power capacitor |
| CN117029701B (en) * | 2023-10-09 | 2023-12-15 | 交通运输部天津水运工程科学研究所 | Coastal water area non-contact type oil spill monitoring method |
-
2021
- 2021-06-18 AU AU2021103452A patent/AU2021103452A4/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115430470A (en) * | 2022-09-13 | 2022-12-06 | 广东电网有限责任公司 | Oil leakage monitoring and catalytic degradation device system for power capacitor |
| CN117029701B (en) * | 2023-10-09 | 2023-12-15 | 交通运输部天津水运工程科学研究所 | Coastal water area non-contact type oil spill monitoring method |
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