CN204269551U - A kind of spilled oil monitoring device based on ultraviolet induced fluorescence Detection Techniques - Google Patents
A kind of spilled oil monitoring device based on ultraviolet induced fluorescence Detection Techniques Download PDFInfo
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- CN204269551U CN204269551U CN201420799828.3U CN201420799828U CN204269551U CN 204269551 U CN204269551 U CN 204269551U CN 201420799828 U CN201420799828 U CN 201420799828U CN 204269551 U CN204269551 U CN 204269551U
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- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000012806 monitoring device Methods 0.000 title claims abstract description 23
- 238000001917 fluorescence detection Methods 0.000 title claims abstract description 21
- 238000012544 monitoring process Methods 0.000 claims abstract description 29
- 230000003287 optical effect Effects 0.000 claims description 21
- 229910052724 xenon Inorganic materials 0.000 claims description 18
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 claims description 18
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 238000007405 data analysis Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 7
- 230000005284 excitation Effects 0.000 abstract description 5
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- 238000013461 design Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
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- 238000011161 development Methods 0.000 description 2
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- 239000003305 oil spill Substances 0.000 description 2
- 239000010734 process oil Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
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- 238000004848 nephelometry Methods 0.000 description 1
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- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
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- 238000004088 simulation Methods 0.000 description 1
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- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The utility model provides a kind of spilled oil monitoring device based on ultraviolet induced fluorescence Detection Techniques, and this device comprises light source, binary channels photo-detector, microprocessor, monitoring central server, data memory module and alarm.Light source emitting ultraviolet light irradiates the water surface and fluorescence excitation signal, binary channels photo-detector gathers fluorescence signal and background light signal respectively, microprocessor processes the signal collected and exports monitoring central server to, is analyzed by monitoring central server; The threshold value of fluorescence signal intensity is preserved in data memory module, when the fluorescence signal intensity gathered exceedes threshold value, alarm equipment alarm.This device can find that the oil stain on the water surface pollutes easily and efficiently, simultaneously owing to adopting binary channels photo-detector can to gather the light leak that excitation source sends, and in the fluorescence signal collected, remove this interference, thus make the monitoring of water oil stain more accurate.
Description
Technical field
The utility model belongs to technical field of photoelectric detection, relates to a kind of spilled oil monitoring device, particularly relates to a kind of spilled oil monitoring device based on ultraviolet induced fluorescence Detection Techniques.
Background technology
The process of carrying out oil-gas mining in coastal marine site along with China is accelerated further, and each major oil companies strengthen the exploitation dynamics to marine oil one after another, and the effect of ocean to China's energy development strategy is also increasing.In recent years, China's marine oil overflow accident constantly occurs, and progressively upgrades.As one of serious marine eco-environment disaster, oil spilling not only brings direct impact to the marine eco-environment, bring significant damage also to the economic development of coastland and people's health, can therefore effectively process oil spill have become global concern and the problem of putting forth effort solution.
The prerequisite of process oil spill to monitor oil spilling position, greasy dirt type and pollution level, and these monitorings can be realized by oil spill monitoring system.Traditional water-surface oil spilling monitoring method mainly contains nephelometry, ultrasonic method, gravimetric method, light scattering method, chromatography, non-dispersive infrared absorption method etc.In said method, some relates to extraction, causes secondary pollution to environment; Some method sensitivity is on the low side, operating process is complicated, testing cost is expensive and can not carry out in-site measurement.
Utility model content
For above-mentioned technical matters, the utility model devises a kind of spilled oil monitoring device based on ultraviolet induced fluorescence Detection Techniques, use ultraviolet source laser fluorescence, and select the fluorescence in suitable wavelength band as the detectable signal of water-surface oil film, whether oil spilling is had by the photoelectric device signal strength detection monitoring water surface, can realize in real time, water-surface oil spilling monitoring and do not need to do any process to scene in advance fast, there is higher oil film detection sensitivity.
The technical solution of the utility model is:
Based on a spilled oil monitoring device for ultraviolet induced fluorescence Detection Techniques, it is characterized in that, described device comprises:
Light source, is radiated at target to be measured for emitting ultraviolet light;
Binary channels photo-detector, wherein passage one is for monitoring fluorescence signal, and passage two is for monitoring background signal and noise;
Microprocessor, for output drive signal to light source, and receives the information that binary channels photo-detector collects;
Monitoring central server, is connected with microprocessor, sends a control signal to microprocessor for the data analysis that exports microprocessor.
Described light source includes the xenon lamp driving circuit, pulse xenon lamp, converging lenses and the light source optical filter that connect successively, and wherein pulse xenon lamp driving circuit is for receiving the drive singal of microprocessor.
Described binary channels photo-detector includes the fluorescent optical filter, photomultiplier, current/voltage converter and the peak holding circuit that connect successively, and wherein peak holding circuit is used for exporting the information of collection to microprocessor.
Further, described microprocessor is connected with a peripheral hardware analog to digital converter by SPI interface.
Described passage one photo-detector is by peripheral hardware analog to digital converter transmission information to microprocessor, and the direct output information of described passage two photo-detector is to the built-in mould number converter of microprocessor.
Preferably, described peripheral hardware analog to digital converter is 16 analog to digital converters, and described built-in mould number converter is 12 analog to digital converters.
Further, described monitoring central server adopts Ethernet chip to be connected with the input/output terminal of microprocessor by netting twine.
Further, described microprocessor is also connected to a data memory module and an alarm.
Preferably, the light that described light source sends is the pulsed ultraviolet light of 200 ~ 300nm wavelength.
Preferably, described light source optical filter is wavelength is 300 ~ 400nm band resistance optical filter, can reach the decay of about-90dB.
Preferably, described fluorescence filter plate is wavelength is 300 ~ 400nm bandpass filter.
Technique effect of the present utility model is: the device adopting the utility model to provide can find that the oil stain on the water surface pollutes easily and efficiently, simultaneously owing to adopting binary channels photo-detector can to gather the light leak that excitation source sends, and remove this interference in the fluorescence signal collected at another passage photo-detector, thus make the monitoring of water oil stain more accurate.
Accompanying drawing explanation
Fig. 1 is systematic schematic diagram of the present utility model.
Fig. 2 is the hardware structure diagram of the spilled oil monitoring device in the utility model embodiment.
Fig. 3 is light source optical filter H103 resin in the utility model embodiment.
Fig. 4 is fluorescent optical filter H103 resin in the utility model embodiment.
Fig. 5 is the utility model embodiment medium ultraviolet light intensity and fluorescence signal intensity curve over time.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
Embodiment 1:
When the light (such as ultraviolet light) with a kind of wavelength irradiates certain material, this material can be launched according to penetrating the longer light of optical wavelength (as near ultraviolet or visible ray), and this light is just called fluorescence.Fluorescence phenomenon is exactly the process of an energy level transition.Oil reservoir has very high UV radiation reflection, and application sensors can measure the difference of radiation temperature between oil and water, can analyze water oil stain dye and distribution situation thereof by technical finesse from heat picture.Oil film to the luminance factor seawater height 1.2-1.8 of ultraviolet light doubly, has good luminance contrast, and in its wavelength coverage, various slicks thickness being less than to 5um are responsive.
In the present embodiment, control system sends a control signal to light source, emitting ultraviolet light to be radiated on the water surface thus fluorescence excitation, and select the fluorescence in suitable wavelength band as the detectable signal of water-surface oil film, gather the fluorescence signal intensity monitoring water surface by detection system and whether have oil spilling, as shown in Figure 1.
As shown in Figure 2, the spilled oil monitoring device based on ultraviolet induced fluorescence Detection Techniques that the present embodiment proposes specifically comprises:
Light source, is radiated at target to be measured for emitting ultraviolet light;
Binary channels photo-detector, wherein passage one is for monitoring fluorescence signal, and passage two is for monitoring background signal and noise;
Microprocessor, for outputing control signals to light source, and receives the data message that binary channels photo-detector collects;
Monitoring central server, is connected with microprocessor, sends a control signal to microprocessor for the data analysis that exports microprocessor.
Described light source includes the xenon lamp driving circuit, pulse xenon lamp, converging lenses and the light source optical filter that connect successively, and wherein pulse xenon lamp driving circuit is for receiving the control signal of single-chip data processing module.
The 60W serial model No. that pulse xenon lamp in light source adopts HAMAMATSU company to produce is the pulse xenon lamp of L7685, and its annex comprises lamp socket E6647, high-voltage power module C6096 and refrigeration external member E6611 in addition.Its window material is sapphire, has good permeability in ultraviolet region, and single pulse energy is 1J.Can provide the flashing rate reaching hundreds of hertz, have brightness high, less energy consumption, the advantages such as volume is little, calculate with the flashing rate of 1Hz, can work 16 years.
Because the power of the pulse xenon lamp adopted is 60W, power consumption is higher, and heat production is also larger, also there is no need to glimmer even if consider in test at the scene simultaneously always, therefore xenon lamp driving circuit adopts pulse control technique, set certain dutycycle whether to control the conducting of xenon lamp.
Described binary channels photo-detector includes the fluorescent optical filter, photomultiplier, current/voltage converter and the peak holding circuit that connect successively, and wherein peak holding circuit is used for exporting the data message of collection to single-chip data processing module.
Photomultiplier in described photo-detector adopts H7826 module, and this module adopts 15V to power, and the response rise time is 1.5ns, output current signal and sensitivity is adjustable, meets the demand of the present embodiment collection fluorescence.
The selection of exciting light wave band realizes by adding optical filter.Excitation source xenon lamp and the fluorescence be excited are all continuous wavelengths, by the design proposal of fluorescence detecting system, need suitable optical filter to be 300 ~ 400nm fluoroscopic examination wave band to select wavelength to be 200 ~ 300nm exciting light and wavelength.For ensureing that the fluorescence that fluorescence detection system receives does not disturb by light source, therefore need to ensure that light source optical filter and fluorescent optical filter are do not have intersection in 300 ~ 400nm wavelength coverage.Following two kinds of optical filters have been customized: light source optical filter is 300 ~ 400nm band resistance optical filter (as shown in Figure 3) according to this requirement, can reach the decay of about-90dB, fluorescent optical filter is 300 ~ 400nm bandpass filter (as shown in Figure 4).Two tablet filters to be overlapped under spectrometer after tested, do not overlap in 300 ~ 400nm wavelength coverage, system requirements can be realized by the light filtering of light source 300 ~ 400nm wavelength components, and detector only receives the part that fluorescence medium wavelength is 300 ~ 400nm.
It is to be noted that the wavelength coverage that light source filter plate limits not is fixing, that is having a certain amount of wavelength coverage is that the exciting light of 300 ~ 400nm spills, and is received by fluorescence detection system.Thus, binary channels photo-detector is set in the present embodiment, one of them passage for monitoring the light leak wavelength in exciting light, and from another channel monitoring to fluorescence signal remove this part light leak signal, thus get rid of light leak to the interference of fluorescence signal, make the result of monitoring more accurate.
Fluorescence radiation process stops rear 10 at exciting light
-9~ 10
-6stop in s.The corresponding relation of the ultraviolet light that xenon lamp excites and fluorescence signal as shown in Figure 5.After exciting light stops irradiation, luminescence process almost stops immediately.
During real work, microprocessor is connected with a peripheral hardware 16 analog to digital converters by SPI interface.Microprocessor S3C44B0X xenon lamp driver lights xenon source to send pulsed ultraviolet light with the frequency of program setting, and photomultiplier detects the fluorescence signal intensity that ultraviolet source excites, and uses 16 digit currents/voltage changer to export the fluorescence signal of 0 ~ 10V.When the fluorescence signal intensity monitored exceedes setting threshold value, monitoring system is reported to the police.In the present embodiment, described microprocessor adopts ARM7-STM32 chip, due to switching rate and the limited bits of analog to digital converter on ARM sheet, and require higher for the acquisition precision of fluorescence signal in the design, so the fluorescence signal that design employing one peripheral hardware analog to digital converter receiving cable one detector receives.The ADI AD7980 adopted in the present embodiment is a 16, gradual approaching A/D converter, adopts single supply (VDD) power supply.Its built-in low-power consumption, at a high speed, 16 sampling analog to digital converters and a multi-functional serial interface port.
The background signal gathered for passage two detector and noise, be directly inputted into the built-in mould number converter on STM32 sheet.Described built-in mould number converter is 12 successive approximation simulation d/d converters.It has nearly 18 passages, can measure 16 outsides and 2 internal signal sources.
Described monitoring central server adopts Ethernet chip to be connected with the input/output terminal of microprocessor by netting twine.The data that monitoring central server is used for gathering is analyzed and shows, and can analyze water oil stain dye and distribution situation thereof by technical finesse from heat picture.Meanwhile, artificial operational order can also be inputted to spilled oil monitoring device by monitoring central server, thus the duty of spilled oil monitoring device is controlled.
In the present embodiment, described microprocessor is also connected with a data memory module, for storing threshold value and other data messages of the fluorescence intensity of setting.Described microprocessor is also connected with a RS232 interface, for connecting other peripherals.Described microprocessor is also connected with an alarm, during for exceeding the threshold value of setting at the fluorescence signal intensity monitored, reports to the police.Described alarm can be audible-visual annunciator, also can be that other can play the equipment of alarm function.Described microprocessor is also connected with a working station indicator, for showing the duty of spilled oil monitoring device.
In the present embodiment, microprocessor is also connected with a camera, when occur can be artificial after oil spilling control camera to making a video recording with regard to approximately level or taking pictures, Timeliness coverage oil spilling also judges oil spill area, for providing booster action based on ultraviolet induced fluorescence Detection Techniques in the utility model.
To one skilled in the art, according to technical scheme described above and design, other various corresponding change and deformation can be made, and all these change and deformation all should belong within the protection domain of the utility model claim.
Claims (11)
1. based on a spilled oil monitoring device for ultraviolet induced fluorescence Detection Techniques, it is characterized in that, described device comprises:
Light source, is radiated at target to be measured for emitting ultraviolet light;
Binary channels photo-detector, wherein passage one is for monitoring fluorescence signal, and passage two is for monitoring background signal and noise;
Microprocessor, for output drive signal to light source, and receives the information that binary channels photo-detector collects;
Monitoring central server, is connected with microprocessor, sends a control signal to microprocessor for the data analysis that exports microprocessor.
2. as claimed in claim 1 based on the spilled oil monitoring device of ultraviolet induced fluorescence Detection Techniques, it is characterized in that, described light source includes the xenon lamp driving circuit, pulse xenon lamp, converging lenses and the light source optical filter that connect successively, and wherein pulse xenon lamp driving circuit is for receiving the drive singal of microprocessor.
3. as claimed in claim 1 based on the spilled oil monitoring device of ultraviolet induced fluorescence Detection Techniques, it is characterized in that, described binary channels photo-detector includes the fluorescent optical filter, photomultiplier, current/voltage converter and the peak holding circuit that connect successively, and wherein peak holding circuit is used for exporting the information of collection to microprocessor.
4. the spilled oil monitoring device based on ultraviolet induced fluorescence Detection Techniques as described in any one of claim 1-3, is characterized in that, described microprocessor is connected with a peripheral hardware analog to digital converter by SPI interface.
5. as claimed in claim 4 based on the spilled oil monitoring device of ultraviolet induced fluorescence Detection Techniques, it is characterized in that, described passage one photo-detector is by peripheral hardware analog to digital converter transmission information to microprocessor, and the direct output information of described passage two photo-detector is to the built-in mould number converter of microprocessor.
6., as claimed in claim 5 based on the spilled oil monitoring device of ultraviolet induced fluorescence Detection Techniques, it is characterized in that, described peripheral hardware analog to digital converter is 16 analog to digital converters, and described built-in mould number converter is 12 analog to digital converters.
7. as claimed in claim 1 based on the spilled oil monitoring device of ultraviolet induced fluorescence Detection Techniques, it is characterized in that, described monitoring central server adopts Ethernet chip to be connected with the input/output terminal of microprocessor by netting twine.
8., as claimed in claim 1 based on the spilled oil monitoring device of ultraviolet induced fluorescence Detection Techniques, it is characterized in that, described microprocessor is also connected to a data memory module and an alarm.
9., as claimed in claim 1 based on the spilled oil monitoring device of ultraviolet induced fluorescence Detection Techniques, it is characterized in that, the light that described light source sends is the pulsed ultraviolet light of 200 ~ 300nm wavelength.
10. as claimed in claim 2 based on the spilled oil monitoring device of ultraviolet induced fluorescence Detection Techniques, it is characterized in that, described light source optical filter is wavelength is 300 ~ 400nm band resistance optical filter, can reach the decay of about-90dB.
11. as claimed in claim 3 based on the spilled oil monitoring device of ultraviolet induced fluorescence Detection Techniques, and it is characterized in that, described fluorescence filter plate is wavelength is 300 ~ 400nm bandpass filter.
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| CN201420799828.3U CN204269551U (en) | 2014-12-16 | 2014-12-16 | A kind of spilled oil monitoring device based on ultraviolet induced fluorescence Detection Techniques |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105158218A (en) * | 2015-07-28 | 2015-12-16 | 青岛市光电工程技术研究院 | Non-contact monitoring device and method for floating oil on water surface |
| CN105203519A (en) * | 2015-10-19 | 2015-12-30 | 青岛市光电工程技术研究院 | Marine oil-spill fixed-point monitoring equipment and method |
| CN105223177A (en) * | 2015-10-19 | 2016-01-06 | 青岛市光电工程技术研究院 | A kind of distance self-adaptation marine oil spill monitoring equipment and method |
| CN105300617A (en) * | 2015-11-02 | 2016-02-03 | 国网福建省电力有限公司 | Method for rapidly determining oil leakage of oiling device of transformer station |
| CN105388134A (en) * | 2015-10-19 | 2016-03-09 | 青岛市光电工程技术研究院 | Fluorescence signal enhanced distance-self-adaptation oil spilling monitoring method |
| CN106128009A (en) * | 2016-07-11 | 2016-11-16 | 中国科学院上海技术物理研究所 | A kind of ultraviolet portable digital Generic Alert module for flame detecting |
| CN106595982A (en) * | 2017-01-12 | 2017-04-26 | 杭州原创软件有限公司 | Water cooler on-line leakage monitor based on fiber |
| CN106769882A (en) * | 2016-11-01 | 2017-05-31 | 深圳先进技术研究院 | Spilled oil monitoring instrument and its monitoring method |
| CN106908416A (en) * | 2017-02-28 | 2017-06-30 | 中国石油化工股份有限公司 | A kind of monitoring method of the water-surface oil spilling monitoring device based on ultraviolet reflectance |
| CN109974968A (en) * | 2019-03-18 | 2019-07-05 | 哈尔滨工程大学 | One kind being suitable for research voltage-stablizer swaying water level and pressure oscillation measurement experiment system |
| CN110174221A (en) * | 2019-07-03 | 2019-08-27 | 云南电网有限责任公司电力科学研究院 | A kind of transformer body leakage of oil status monitoring appraisal procedure and system |
| CN113092436A (en) * | 2021-05-08 | 2021-07-09 | 广东工业大学 | Oil spill detection method and system based on ultraviolet light excited fluorescence |
| CN113109312A (en) * | 2021-05-08 | 2021-07-13 | 广东工业大学 | Oil spill detection system and method based on unmanned surface vessel |
| CN113740303A (en) * | 2020-05-28 | 2021-12-03 | 中国石油化工股份有限公司 | Oil spilling monitoring transmitting and receiving device based on fluorescence excitation |
-
2014
- 2014-12-16 CN CN201420799828.3U patent/CN204269551U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105158218A (en) * | 2015-07-28 | 2015-12-16 | 青岛市光电工程技术研究院 | Non-contact monitoring device and method for floating oil on water surface |
| CN105203519A (en) * | 2015-10-19 | 2015-12-30 | 青岛市光电工程技术研究院 | Marine oil-spill fixed-point monitoring equipment and method |
| CN105223177A (en) * | 2015-10-19 | 2016-01-06 | 青岛市光电工程技术研究院 | A kind of distance self-adaptation marine oil spill monitoring equipment and method |
| CN105388134A (en) * | 2015-10-19 | 2016-03-09 | 青岛市光电工程技术研究院 | Fluorescence signal enhanced distance-self-adaptation oil spilling monitoring method |
| CN105300617A (en) * | 2015-11-02 | 2016-02-03 | 国网福建省电力有限公司 | Method for rapidly determining oil leakage of oiling device of transformer station |
| CN106128009A (en) * | 2016-07-11 | 2016-11-16 | 中国科学院上海技术物理研究所 | A kind of ultraviolet portable digital Generic Alert module for flame detecting |
| CN106769882B (en) * | 2016-11-01 | 2021-12-03 | 深圳先进技术研究院 | Oil spilling monitor and monitoring method thereof |
| CN106769882A (en) * | 2016-11-01 | 2017-05-31 | 深圳先进技术研究院 | Spilled oil monitoring instrument and its monitoring method |
| CN106595982A (en) * | 2017-01-12 | 2017-04-26 | 杭州原创软件有限公司 | Water cooler on-line leakage monitor based on fiber |
| CN106908416A (en) * | 2017-02-28 | 2017-06-30 | 中国石油化工股份有限公司 | A kind of monitoring method of the water-surface oil spilling monitoring device based on ultraviolet reflectance |
| CN109974968A (en) * | 2019-03-18 | 2019-07-05 | 哈尔滨工程大学 | One kind being suitable for research voltage-stablizer swaying water level and pressure oscillation measurement experiment system |
| CN110174221A (en) * | 2019-07-03 | 2019-08-27 | 云南电网有限责任公司电力科学研究院 | A kind of transformer body leakage of oil status monitoring appraisal procedure and system |
| CN113740303A (en) * | 2020-05-28 | 2021-12-03 | 中国石油化工股份有限公司 | Oil spilling monitoring transmitting and receiving device based on fluorescence excitation |
| CN113092436A (en) * | 2021-05-08 | 2021-07-09 | 广东工业大学 | Oil spill detection method and system based on ultraviolet light excited fluorescence |
| CN113109312A (en) * | 2021-05-08 | 2021-07-13 | 广东工业大学 | Oil spill detection system and method based on unmanned surface vessel |
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Denomination of utility model: Oil spilling monitoring device based on ultraviolet-induced fluorescence detection technology Effective date of registration: 20151021 Granted publication date: 20150415 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: PEGASUS (QINGDAO) OPTOELECTRONICS, INC. Registration number: 2015990000887 |
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