CN206557098U - A kind of spilled oil monitoring and identifying device - Google Patents
A kind of spilled oil monitoring and identifying device Download PDFInfo
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- CN206557098U CN206557098U CN201720161241.3U CN201720161241U CN206557098U CN 206557098 U CN206557098 U CN 206557098U CN 201720161241 U CN201720161241 U CN 201720161241U CN 206557098 U CN206557098 U CN 206557098U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 70
- 238000012545 processing Methods 0.000 claims abstract description 59
- 239000003305 oil spill Substances 0.000 claims abstract description 47
- 238000001514 detection method Methods 0.000 claims description 15
- 238000004891 communication Methods 0.000 claims description 14
- 230000003595 spectral effect Effects 0.000 claims description 10
- 238000001228 spectrum Methods 0.000 claims description 7
- 230000000007 visual effect Effects 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 10
- 238000002189 fluorescence spectrum Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 239000003208 petroleum Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 1
- 238000002795 fluorescence method Methods 0.000 description 1
- 238000009439 industrial construction Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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Abstract
The utility model discloses a kind of spilled oil monitoring and identifying device, including：Control unit, light source, collection light unit, spectrometer, range cells, data processing unit.Wherein, described control unit is used to control light source to project light irradiation target area；Light unit is gathered for the light of target area after collection irradiation and converges to light in spectrometer；Spectrometer is used to handle the light of acquisition, and the data that processing is obtained are sent to data processing unit；Range cells are used to measure the distance of spilled oil monitoring and identifying device to target area sea in real time and are sent to data processing unit；Data processing unit is used to handle the data that spectrometer and range cells are sent, and carries out match cognization with the standard database that wherein prestores, and will identify that oil spill type and the information of oil spilling thickness are sent in monitor terminal and control unit.Monitoring and identification to oil spilling can be realized with greater efficiency by said apparatus at lower cost, it is to avoid reported by mistake caused by chaff interference.
Description
Technical Field
The utility model relates to a marine environment protection field especially relates to an oil spilling monitoring and recognition device.
Background
With the rapid development of industrial construction, the dependence of each country on petroleum is getting larger and larger, and while the petroleum yield and the transportation volume are continuously increased, oil spill accidents also frequently occur, so that enterprise units related to petroleum production and transportation face huge pressure. The oil spill accident not only brings economic loss to enterprises, but also causes huge disasters to the environment and the society, and if people can find and treat the oil spill source in time at the initial stage of oil spill, the loss and the pollution suffered by people can be greatly reduced.
The oil spilling monitoring method applying the ultraviolet fluorescence principle is not influenced by sunlight, can work in the daytime and at night, and has high accuracy and sensitivity. However, most of the existing oil spilling monitoring devices and schemes for ports by using an ultraviolet fluorescence method can only simply detect fluorescence, cannot identify the type of oil spilling, easily misjudge interferents as oil spilling, and have high false alarm rate and single function. And some instruments capable of judging and identifying the type of the spilled oil have complex structures and high prices, and are not suitable for large-area popularization and use.
SUMMERY OF THE UTILITY MODEL
In view of the not enough of prior art, the utility model provides an oil spilling monitoring and recognition device to solve above-mentioned existing equipment and the unable discernment oil spilling kind of scheme, misstatement rate height, the structure is complicated and the high price scheduling problem.
In order to solve the problem, the utility model adopts the following technical scheme:
an oil spill monitoring and identifying device comprises a control unit, a light source, a light collecting unit, a spectrometer, a distance measuring unit and a data processing unit; the light source is controlled by the control unit to emit light to irradiate the target area so as to excite the target area to generate fluorescence; the collection light unit is used for collecting fluorescence generated by a target area and sending the fluorescence to the spectrometer; the spectrometer is used for analyzing and processing the received fluorescence to obtain spectral data and sending the spectral data to the data processing unit; the distance measuring unit is used for measuring the detection distance from the oil spill monitoring and identifying device to the sea surface of the target area in real time and sending the detection distance to the data processing unit; the data processing unit is pre-stored with a standard database, wherein the standard database comprises a first database of peak light intensity and wavelength corresponding to different oil spilling types and a second database of peak light intensity and detection distance corresponding to different oil spilling film thicknesses; and the data processing unit matches the spectrum data and the detection distance received from the spectrometer and the distance measuring unit with the data of the standard database, identifies the oil spill type and the oil spill film thickness information and sends the oil spill type and the oil spill film thickness information to the monitoring terminal.
Preferably, the spectrometer is a micro spectrometer.
Preferably, the light source includes a laser and a beam expander, and laser light emitted by the laser is expanded by the beam expander and then is irradiated to the target area.
Preferably, the laser emits a laser wavelength of 365 nm.
Preferably, the light collection unit includes a plano-convex mirror, a filter and a collimator mirror, the plano-convex mirror is used for collecting the fluorescence in the target region, the filter is used for filtering the fluorescence collected by the plano-convex mirror, and the collimator mirror collimates the fluorescence filtered by the filter and then emits the fluorescence into the spectrometer.
Preferably, the light-permeable wavelength range of the optical filter is 400-650 nm.
Preferably, the data processing unit further sends the information of the identified oil spilling type and the thickness of the oil spilling film to the control unit, and the control unit is further connected with an extended function component, wherein the extended function component comprises one or more than two of an audible and visual alarm, shooting equipment, a GPS module and a display screen.
Preferably, the extended function component further comprises a wireless communication module, and the data processing unit sends the information identifying the type of the oil spill and the thickness of the oil spill film to the monitoring terminal sequentially through the control unit and the wireless communication module.
Preferably, the monitoring and identifying device is further internally provided with a wireless communication module, and the data processing unit sends the identifying information to the monitoring terminal through the wireless communication module.
Preferably, the monitoring and identifying device further comprises a power supply, which is connected with the control unit and supplies power to the monitoring and identifying device.
The utility model provides a pair of oil spilling monitoring and recognition device utilizes the light source to shine the target area, makes the regional oil spilling of target produce fluorescence, collects and data processing the information that the oil spilling kind and the oil spilling membrane is thick to fluorescence, sends this information to the monitor cell to this oil spilling monitoring and the discernment of realization to the target area. Compared with the prior art, the micro spectrometer can meet the requirements of monitoring and identification at lower cost; the adoption of the laser light source is beneficial to improving the fluorescence intensity of excitation, and is convenient for collection and treatment; the peak value of the fluorescence is used for species matching, and the processing is not required to be carried out on the basis of the whole spectrum, so that the data processing amount is greatly reduced; the data processing unit reduces the data processing load of the data processing unit and improves the working efficiency of the device by the working mode that the data processing and the control are respectively shared and completed by different processors.
Drawings
Fig. 1 is a schematic structural diagram of an oil spilling monitoring and identifying device provided by an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a wireless communication module provided in the monitoring and identification device;
FIG. 3 is a schematic diagram of the operation of the light source;
fig. 4 is a schematic diagram of the operation of the collection light unit.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the following detailed description of the embodiments of the present invention will be described with reference to the accompanying drawings. Examples of these preferred embodiments are illustrated in the accompanying drawings. The embodiments of the invention shown in the drawings and described in accordance with the same are merely exemplary and the invention is not limited to these embodiments.
It should also be noted that, in order to avoid obscuring the invention with unnecessary details, only the structures and/or process steps that are closely related to the solution according to the invention are shown in the drawings, while other details that are not relevant to the invention are omitted.
For the oil spill, under the irradiation of light with a certain wavelength, longer-wavelength fluorescence can be generated due to the action of a fluorescent group, different types of oil spill have different fluorescence spectra due to different components, and the fluorescence spectra are unrelated to the excitation wavelength, so that the type of the oil spill can be identified through the fluorescence spectra according to the characteristic of the oil spill.
Referring to fig. 1, based on the above principle, the present embodiment provides an oil spilling monitoring and identifying device, which includes a control unit 1, a light source 2, a light collecting unit 3, a spectrometer 4, a distance measuring unit 5, and a data processing unit 6.
The light source 2 is controlled by the control unit 1 to emit light to irradiate a target area so as to excite the target area to generate fluorescence;
the collecting light unit 3 is used for collecting fluorescence generated by a target area and sending the fluorescence to the spectrometer 4; the spectrometer 4 is used for analyzing and processing the received fluorescence to obtain spectral data and sending the spectral data to the data processing unit 6; the distance measuring unit 5 is used for measuring the detection distance from the oil spill monitoring and identifying device to the sea surface of the target area in real time and sending the detection distance to the data processing unit 6; a standard database is prestored in the data processing unit 6, and the standard database comprises a first database of peak light intensity and wavelength corresponding to different oil spilling types and a second database of peak light intensity and detection distance corresponding to different oil spilling film thicknesses; the data processing unit 6 matches the spectrum data and the detection distance received from the spectrometer 4 and the distance measuring unit 5 with the data of the standard database, and identifies the oil spill type and the oil spill film thickness information and sends the oil spill type and the oil spill film thickness information to the monitoring terminal 7.
In this embodiment, the data processing unit 6 does not need to process and analyze the whole spectral data, and determines the peak point of the spectral data as the feature point, thereby greatly reducing the requirement on the processor. Therefore, for example, the control unit 1 may select a minimum system using a single chip, a DSP or an FPGA/CPLD, or be made of the above-mentioned minimum system addition part peripheral. The data processing unit 6 adopts data processors such as an ARM, a DSP processor, an industrial personal computer and the like. The monitoring terminal 7 can be intelligent equipment such as a computer and a mobile phone, and a user receives the information of the type and the thickness of the oil spilling film through the monitoring terminal 7 to monitor whether the oil spilling occurs in the target area at any time. In this embodiment, the data processing and controlling are performed in the working modes that are shared by different processors, so as to reduce the data processing burden of the data processing unit 6 and improve the working efficiency of the monitoring and identifying device.
In recent years, due to the development and maturity of optical fiber technology, grating technology and array detector technology, micro spectrometers are mature quite, and the monitoring requirements of the embodiment are completely met. In this embodiment, the spectrometer 4 is therefore a micro spectrometer. The micro spectrometer provided by the embodiment does not need a complete spectrogram of oil spilling, only needs light intensity data corresponding to each wavelength measured at the background, and sends the obtained spectral data to the data processing unit 6, so that compared with oil spilling monitoring equipment which is commonly used in the prior art and can judge and identify the type of oil spilling, the micro spectrometer realizes accurate monitoring of oil spilling and identification of the type and thickness in a simpler and lower-cost mode.
Specifically, as shown in fig. 3, the light source 2 includes a laser 21 and a beam expander 22, and laser light emitted by the laser 21 is expanded by the beam expander 22 and then irradiates a target area, so that oil spill in the target area generates fluorescence with a longer wavelength. In the embodiment, the laser 21 is a single-wavelength laser with a wavelength of 365nm, because 365nm can effectively excite fluorescence; the laser 21 is used as the light source, so that the laser has high power, and the correspondingly excited fluorescence has high intensity, thereby being convenient for detection.
Specifically, as shown in fig. 4, the collection light unit 3 includes a plano-convex mirror 31, a filter 32, and a collimator 33, where the plano-convex mirror 31 is configured to collect fluorescence of the region to be measured, the filter 32 is configured to filter the fluorescence collected by the plano-convex mirror 31, and the collimator 33 collimates the fluorescence filtered by the filter 32 and then injects the fluorescence into the spectrometer 4. In this example, a large-caliber plano-convex mirror 31 is used to collect the fluorescence of the target area; since fluorescence is mainly concentrated in the range of 400nm to 650nm, the filter 32 with a light-transmitting wavelength range of 400nm to 650nm is selected in the present embodiment, and unnecessary light collected when fluorescence is collected, such as reflected light of the light source 2, is eliminated, and useless data is eliminated, so as to reduce the workload of the monitoring and identifying device.
Specifically, the data processing unit 6 further sends the information of the identified oil spilling type and the thickness of the oil spilling film to the control unit 1, the control unit 1 is further connected with an extended function component 8, and the extended function component 8 comprises one or more than two of an audible and visual alarm, a shooting device, a GPS module and a display screen.
The audible and visual alarm is connected with the control unit 1 as an extended function part 8, and when the control unit 1 receives the information of the type of oil spilling and the thickness of the oil spilling film, the audible and visual alarm is controlled to give out an alarm. The audible and visual alarm is arranged, so that oil spillage can be found more rapidly, and the monitoring and identifying device is more intelligent and humanized.
Illustratively, the shooting device is connected with the control unit 1 as an extended function part 8, and when the control unit 1 receives the information of the oil spill type and the oil spill film thickness, the shooting device is controlled to shoot the target area. Utilize shooting equipment takes a picture to the target area that takes place the oil spilling and takes a sample, is convenient for know the oil spilling condition on scene more directly perceivedly and regard the image as the record.
Illustratively, the GPS module is connected to the control unit 1 as an extended function unit 8, and when the control unit 1 receives the information of the oil spill type and the oil spill film thickness, the GPS module is controlled to perform positioning. The user can position the monitoring and identifying device through the GPS module, and then determine the specific position of oil spilling through the distance measuring unit 5 and the like of the device, so that the place where the oil spilling occurs can be found out quickly and accurately.
Illustratively, the display screen is connected to the control unit 1 as an extended function component 8, and when the control unit 1 receives the information of the type of oil spill and the thickness of the oil spill film, the information of the type of oil spill and the thickness of the oil spill film received by the control unit 1 is displayed, and besides monitoring the target area through the monitoring terminal 7, the user can also know the monitoring information of the current target area in real time through the display screen.
Illustratively, the extended function part 8 further includes a wireless communication module 9, and the data processing unit 6 transmits information identifying the type of oil spill and the thickness of the oil spill film to the monitoring terminal 7 via the control unit 1 and the wireless communication module 9 in this order.
Referring to fig. 2, the monitoring and identification device further includes a wireless communication module 9, and the data processing unit 6 sends identification information to the monitoring terminal 7 through the wireless communication module 9. In this embodiment, the monitoring and identification device may utilize the wireless communication module 9 to directly transmit the identification information obtained by the processing of the data processing unit 6 to the monitoring terminal 7 through the wireless network.
Specifically, the monitoring and identifying device further comprises a power supply 10 connected to the control unit 1 for supplying power to the monitoring and identifying device.
Because the chemical compositions of different oil spills are similar, but the fluorescent groups of the oil spills are greatly different, and the peak values of the generated fluorescence spectra are also greatly different, the oil spills monitoring and identifying device provided by the embodiment can obtain the peak light intensities and the wavelengths corresponding to different types of oil spills through experiments and other ways to construct a first database before formal use, and then record the peak light intensities under different oil film thicknesses at intervals of 10cm from a lower height to construct a second database, and the two databases are jointly stored in the data processing unit 6. When in formal use, the data processing unit 6 can be quickly matched with the oil spill type and the thickness information through the first database and the second database. In this embodiment, the false alarm of the monitoring and identifying device will not be caused because the peak value of the fluorescence spectrum of the interfering substance is not in the database or because the deviation is large.
The specific work flow of the oil spilling monitoring and identifying device provided by the embodiment is as follows:
after the monitoring and identifying device is started, the control unit 1 controls the laser 21 to emit laser with a certain frequency, the laser irradiates a target area after being expanded by the beam expander 22, the planoconvex lens 31 collects fluorescence of the target area irradiated by the laser, the optical filter 32 filters redundant light collected together when the fluorescence is collected, the filtered fluorescence is collimated by the collimating lens 33 and then enters the spectrometer 4, and the spectrometer 4 processes the fluorescence within the sensitivity range to obtain the light intensity relative value corresponding to each wavelength. The spectrometer 4 transfers the obtained spectral data to the data processing unit 6, the data processing unit 6 can obtain the peak light intensity and the corresponding wavelength in the group of light intensity data through simple comparison, and matching is performed in the first database according to the data. If no oil spill occurs in the target area, the spectrometer 4 stores the section of spectrum record as a background spectrum because the corresponding type of oil spill cannot be matched, the corresponding part of light is background light, and the background light part except fluorescence is removed through the optical filter with the corresponding cut-off wavelength when oil spill monitoring and identification are performed subsequently, so that the spectrometer 4 can avoid processing the background light part and reduce data processing burden. When oil spilling occurs in the target area, the data processing unit 6 matches the type of the spilled oil, then matches the corresponding oil spilling film thickness of the peak light intensity and the detection distance according to the detection distance measured by the distance measuring unit 5, sends the obtained information of the type of the spilled oil and the oil spilling film thickness to the control unit 1 and the monitoring terminal 7, the user monitors the spilled oil through the monitoring terminal 7, and meanwhile, the control unit 1 controls the corresponding expansion function part 8 to work.
In summary, the oil spilling monitoring and identification device provided by the embodiment utilizes the light source 2 to illuminate the target area, so that the oil spilling in the target area generates fluorescence, the fluorescence is collected and processed to identify the oil spilling type and the thickness of the oil spilling film, and the information is sent to the monitoring unit 7, so as to realize the oil spilling monitoring and identification of the target area. Compared with the prior art, the micro spectrometer adopted by the embodiment can meet the requirements of monitoring and identification at lower cost; the adoption of the laser light source is beneficial to improving the fluorescence intensity of excitation, and is convenient for collection and treatment; the peak value of the fluorescence is used for species matching, and the processing is not required to be carried out on the basis of the whole spectrum, so that the data processing amount is greatly reduced; the data processing unit 6 reduces the data processing load and improves the working efficiency of the device by the working mode that the data processing and control are respectively shared by different processors.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing is only a specific embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the principle of the present application, for example, the bypassing manner of the inner fin-and-tube heat exchanger can be modified according to the actual needs, and these modifications and decorations should also be regarded as the protection scope of the present application.
Claims (10)
1. The oil spill monitoring and identifying device is characterized by comprising a control unit (1), a light source (2), a light collecting unit (3), a spectrometer (4), a distance measuring unit (5) and a data processing unit (6); wherein,
the light source (2) is controlled by the control unit (1) to emit light to irradiate a target area so as to excite the target area to generate fluorescence;
the collection light unit (3) is used for collecting fluorescence generated by a target area and sending the fluorescence to the spectrometer (4);
the spectrometer (4) is used for analyzing and processing the received fluorescence to obtain spectral data and sending the spectral data to the data processing unit (6);
the distance measuring unit (5) is used for measuring the detection distance from the oil spill monitoring and identifying device to the sea surface of the target area in real time and sending the detection distance to the data processing unit (6);
a standard database is prestored in the data processing unit (6), and the standard database comprises a first database of peak light intensity and wavelength corresponding to different oil spilling types and a second database of peak light intensity and detection distance corresponding to different oil spilling film thicknesses; and the data processing unit (6) matches the spectrum data and the detection distance received from the spectrometer (4) and the distance measuring unit (5) with the data of the standard database, and identifies the oil spill type and the oil spill film thickness information and sends the oil spill type and the oil spill film thickness information to the monitoring terminal (7).
2. The monitoring and identification device according to claim 1, characterized in that said spectrometer (4) is a micro spectrometer.
3. The monitoring and identification device according to claim 1, wherein the light source (2) comprises a laser (21) and a beam expander (22), and laser light emitted by the laser (21) is expanded by the beam expander (22) and then is irradiated to a target area.
4. Monitoring and identification device according to claim 3, characterized in that the laser (21) emits a laser wavelength of 365 nm.
5. The monitoring and identification device according to claim 1, wherein the light collection and collection unit (3) comprises a plano-convex mirror (31), a filter (32) and a collimating mirror (33), the plano-convex mirror (31) is used for collecting the fluorescence of the target region, the filter (32) is used for filtering the fluorescence collected by the plano-convex mirror (31), and the collimating mirror (33) collimates the fluorescence filtered by the filter (32) and then injects the fluorescence into the spectrometer (4).
6. The monitoring and identification device according to claim 5, wherein the filter (32) is light permeable in a wavelength range of 400-650 nm.
7. The monitoring and identification device according to claim 1, wherein the data processing unit (6) further sends the identified oil spill type and the information of the oil spill film thickness to the control unit (1), the control unit (1) is further connected with an extended function component (8), and the extended function component (8) comprises one or more than two of an audible and visual alarm, a shooting device, a GPS module and a display screen.
8. The monitoring and identification device according to claim 7, wherein the extended function unit (8) further comprises a wireless communication module (9), and the data processing unit (6) transmits the information identifying the type of the oil spill and the thickness of the oil spill film to the monitoring terminal (7) via the control unit (1) and the wireless communication module (9) in sequence.
9. The monitoring and identification device according to claim 7, characterized in that the monitoring and identification device is further built in a wireless communication module (9), and the data processing unit (6) sends identification information to the monitoring terminal (7) through the wireless communication module (9).
10. The monitoring and identification device according to any of claims 1-9, further comprising a power supply (10) connected to said control unit (1) for supplying power to said monitoring and identification device.
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| CN201720161241.3U CN206557098U (en) | 2017-02-22 | 2017-02-22 | A kind of spilled oil monitoring and identifying device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720161241.3U CN206557098U (en) | 2017-02-22 | 2017-02-22 | A kind of spilled oil monitoring and identifying device |
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| CN206557098U true CN206557098U (en) | 2017-10-13 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114646627A (en) * | 2022-05-23 | 2022-06-21 | 中国海洋大学 | Device and method for classifying and detecting seawater spilled oil by using spectral analysis technology |
| 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 |
-
2017
- 2017-02-22 CN CN201720161241.3U patent/CN206557098U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114646627A (en) * | 2022-05-23 | 2022-06-21 | 中国海洋大学 | Device and method for classifying and detecting seawater spilled oil by using spectral analysis technology |
| 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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