CN202533369U - Near infrared photoelectric sensing technology-based oil spill monitoring system - Google Patents
Near infrared photoelectric sensing technology-based oil spill monitoring system Download PDFInfo
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- CN202533369U CN202533369U CN 201220211467 CN201220211467U CN202533369U CN 202533369 U CN202533369 U CN 202533369U CN 201220211467 CN201220211467 CN 201220211467 CN 201220211467 U CN201220211467 U CN 201220211467U CN 202533369 U CN202533369 U CN 202533369U
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- infrared photoelectric
- spilled oil
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Abstract
The utility model discloses a near infrared photoelectric sensing technology-based oil spill monitoring system. The system mainly comprises a current stabilized power supply, and a luminous device and a processing circuit, which are connected with the stabilized current power supply. A sample device is also arranged between the luminous device and the processing circuit. The system is stable in structure, high in measurement accuracy, low in analysis cost, cost-saving and free from environmental pollution.
Description
Technical field
The utility model relates to spilled oil monitoring, specifically is meant the spilled oil monitoring system based on the near infrared photoelectric sense technology.
Background technology
In recent years, because China's marine oil exploration and exploitation scale constantly enlarge, the offshore oil transportation is busy day by day, constantly increases because of oil exploitation, transportation, storage and other reason cause the occurrence probability of the sudden oil spilling incident in ocean.According to statistics; The end of the year 1973～2008, coastal more than 3000 of the ship spill accident that take place altogether of China, wherein 69 of great ship spill accidents more than 50 t; Total oil spillage 37077 t; Average annual 2, average every accident oil spillage 537 t are causing great injury to seriously influence coastal resident living simultaneously to marine environment.
Current traditional detection method for offshore spilled oil has airborne remote sensing and satellite remote sensing; But the two all exists different problems; The airborne remote sensing monitoring does not have real-time; Satellite remote sensing is for pollute shortcomings such as having inaccuracy among a small circle, and therefore, it is significant to the resource of protecting the marine environment to study and design a kind of system that can monitor the offshore floating oil spilling in real time, exactly.In view of near-infrared spectral analysis technology have that speed is fast, cost is low, pollution-free, do not destroy advantage and the successful Application in the discriminating of pure article oil such as sample, designed a kind of oil spilling detection system based on the near infrared spectrum absorption techniques.It is main data acquisition module that this system adopts near infrared light to combine with the single-chip microcomputer as probe source, and COASTAL SURFACE is carried out on-line real time monitoring, significant for the Environmental security of protection offshore sea waters.
Near-infrared spectral analysis technology and advantage thereof
Near infrared light (NIR) is meant a kind of electromagnetic wave between visible light and infrared light, and wavelength is a kind of non-visible light that people find the earliest in 780～2 526 nm scopes.Near infrared spectrum mainly is because the anharmonicity of molecular vibration makes molecular vibration produce when the high level transition from ground state.It mainly is frequency multiplication and the sum of fundamental frequencies absorption of OH, C and NH that general organism absorbs at this regional near infrared spectrum, and nearly all organic primary structure can find signal with forming in their near infrared spectrum, and spectrogram is stable.The researcher found afterwards, and a plurality of different wavelengths point absorption peaks are linear in the content of material and the near-infrared region, therefore began to utilize this technology to measure the content of material in some products.Because organism such as oils all contain OH, C and NH group, so near infrared technology constantly is applied to the configuration and the detection of oils.
The utility model content
The purpose of the utility model be to provide have Stability Analysis of Structures, measuring accuracy is high, analysis cost is lower, cost saving, and the spilled oil monitoring system based on the near infrared photoelectric sense technology free from environmental pollution.
The implementation of the utility model is following: based on the spilled oil monitoring system of near infrared photoelectric sense technology; Mainly constitute, also be provided with sampling device between said light-emitting device and the treatment circuit by stabilized current supply and the light-emitting device that is connected with stabilized current supply and treatment circuit.
Said light-emitting device comprises that the near-infrared LED lamp that is connected in stabilized current supply constitutes, and also comprises lens, optical filter, and said lens are arranged between near-infrared LED lamp and the optical filter, and said optical filter is arranged between lens and the sampling device.
Said treatment circuit is mainly by the perspective photo-detector that is arranged on the sampling device place, and the photoelectric switching circuit that is connected successively with the perspective photo-detector, modulation circuit, and amplification, filtering, shaping circuit, A/D change-over circuit, single-chip microcomputer constitute.
The model of said single-chip microcomputer is the MSP430F149 single-chip microcomputer.
Said single-chip microcomputer also is connected with GPRS remote terminal device.
Said GPRS remote terminal device is connected with host computer through GPRS network.
System requirements photoelectric sensing probe portion has higher detection precision and stability, and real-time is high, promptly need carry out the continuous uninterrupted on-line measurement to seawater to be measured, so adopts the near-infrared LED lamp as light source in the light-emitting device.The near infrared light that light source sends selects to obtain oil spilling is had the analysis light of characteristic absorption through lens, optical filter in the optical frames group; Sample in transmission and sampling device interacts; Get into the perspective photo-detector then; Convert light signal into electric signal, thereby realize detection sample composition.
Light-emitting device is to utilize the transmission of near infra red light principle of absorption to come the oleaginousness in the water is carried out on-line monitoring; Therefore require the spectral characteristic of light source to be positioned at the near-infrared region, the near infrared light of the specific wavelength of employing is as light source, and considers that design is the most at last with the form encapsulation of buoy and want long-term rendering on the sea; And the sea environment is comparatively abominable; So, require the volume of this light source little, physical strength is high, stability is strong, therefore select for use the near-infrared LED lamp as light source device.
The utility model is by mainly being made up of stabilized current supply and the light-emitting device that is connected with stabilized current supply and treatment circuit.
Light-emitting device adopts the near infrared photoelectric detecting technology, and treatment circuit adopts the data acquisition process technology to realize the detection to spilled oil on water surface.Be measured as the light intensity magnitude of oil spilling characteristic absorption wavelength,, light signal be converted into electric signal, obtain carrying the pulsed modulation simulating signal of measured information through photoelectric switching circuit and modulation circuit.After the amplification of the signal process amplification after the modulation, filtering, shaping circuit, filtering, shaping etc. are handled, convert digital signal to through the A/D change-over circuit chip in the A/D change-over circuit again, send in the single-chip microcomputer and handle.Consider that this system finally will render to long-term work on the sea with the form of buoy, therefore the energy consumption for control assembly has certain requirement.System has adopted low-power consumption; The MSP430F149 single-chip microcomputer of large buffer memory is as main control unit; And adopt the C Programming with Pascal Language to accomplish the collection and the pre-service of data, deal with data sends to host computer through GPRS remote terminal device and carries out analysis confirmation to reach the monitoring purpose the most at last.
The advantage of the utility model is: native system carries out real-time data acquisition for the oil spilling of sea variable concentrations, and is transmitted to host computer with voltage signal.The mathematical model that host computer is set up through existing voltage signal and oil spilling concentration draws the contaminated degree of seawater to the varying voltage signal analysis that receives and so that maritime sector takes appropriate measures oil spill is handled.This system innovation point is to adopt near-infrared spectral analysis technology to combine low-power consumption MSP430 single-chip microcomputer and with the form encapsulation of buoy offshore spilled oil is carried out on-line real time monitoring; The full grouting that not only has airborne remote sensing and do not had; Make grouting construction more economical, more effectively carry out.The test findings of grouting shows that this grouting on-line detecting system can satisfy the requirement of on-the-spot grouting, and each item index all reaches designing requirement, and it provides more complete means of testing for grouting works, thereby has guaranteed grouting quality and supervision effectively is provided.
Description of drawings
Fig. 1 is the utility model system architecture synoptic diagram.
Fig. 2 is the structural representation of the utility model.
Embodiment
Embodiment one
Like Fig. 1, shown in 2.
Based on the spilled oil monitoring system of near infrared photoelectric sense technology, mainly constitute by stabilized current supply and the light-emitting device that is connected with stabilized current supply and treatment circuit, also be provided with sampling device between said light-emitting device and the treatment circuit.
Said light-emitting device comprises that the near-infrared LED lamp that is connected in stabilized current supply constitutes, and also comprises lens, optical filter, and said lens are arranged between near-infrared LED lamp and the optical filter, and said optical filter is arranged between lens and the sampling device.
Said treatment circuit is mainly by the perspective photo-detector that is arranged on the sampling device place, and the photoelectric switching circuit that is connected successively with the perspective photo-detector, modulation circuit, and amplification, filtering, shaping circuit, A/D change-over circuit, single-chip microcomputer constitute.
The model of said single-chip microcomputer is the MSP430F149 single-chip microcomputer.
Said single-chip microcomputer also is connected with GPRS remote terminal device.
Said GPRS remote terminal device is connected with host computer through GPRS network.
System requirements photoelectric sensing probe portion has higher detection precision and stability, and real-time is high, promptly need carry out the continuous uninterrupted on-line measurement to seawater to be measured, so adopts the near-infrared LED lamp as light source in the light-emitting device.The near infrared light that light source sends selects to obtain oil spilling is had the analysis light of characteristic absorption through lens, optical filter in the optical frames group; Sample in transmission and sampling device interacts; Get into the perspective photo-detector then; Convert light signal into electric signal, thereby realize detection sample composition.
Light-emitting device is to utilize the transmission of near infra red light principle of absorption to come the oleaginousness in the water is carried out on-line monitoring; Therefore require the spectral characteristic of light source to be positioned at the near-infrared region, the near infrared light of the specific wavelength of employing is as light source, and considers that design is the most at last with the form encapsulation of buoy and want long-term rendering on the sea; And the sea environment is comparatively abominable; So, require the volume of this light source little, physical strength is high, stability is strong, therefore select for use the near-infrared LED lamp as light source device.
The utility model is by mainly being made up of stabilized current supply and the light-emitting device that is connected with stabilized current supply and treatment circuit.
Light-emitting device adopts the near infrared photoelectric detecting technology, and treatment circuit adopts the data acquisition process technology to realize the detection to spilled oil on water surface.Be measured as the light intensity magnitude of oil spilling characteristic absorption wavelength,, light signal be converted into electric signal, obtain carrying the pulsed modulation simulating signal of measured information through photoelectric switching circuit and modulation circuit.After the amplification of the signal process amplification after the modulation, filtering, shaping circuit, filtering, shaping etc. are handled, convert digital signal to through the A/D change-over circuit chip in the A/D change-over circuit again, send in the single-chip microcomputer and handle.Consider that this system finally will render to long-term work on the sea with the form of buoy, therefore the energy consumption for control assembly has certain requirement.System has adopted low-power consumption; The MSP430F149 single-chip microcomputer of large buffer memory is as main control unit; And adopt the C Programming with Pascal Language to accomplish the collection and the pre-service of data, deal with data sends to host computer through GPRS remote terminal device and carries out analysis confirmation to reach the monitoring purpose the most at last.
As stated, then can well realize the utility model.
Claims (6)
1. based on the spilled oil monitoring system of near infrared photoelectric sense technology, it is characterized in that: mainly constitute, also be provided with sampling device between said light-emitting device and the treatment circuit by stabilized current supply and the light-emitting device that is connected with stabilized current supply and treatment circuit.
2. the spilled oil monitoring system based on the near infrared photoelectric sense technology according to claim 1; It is characterized in that: said light-emitting device comprises that the near-infrared LED lamp that is connected in stabilized current supply constitutes; Also comprise lens, optical filter; Said lens are arranged between near-infrared LED lamp and the optical filter, and said optical filter is arranged between lens and the sampling device.
3. the spilled oil monitoring system based on the near infrared photoelectric sense technology according to claim 1; It is characterized in that: said treatment circuit is mainly by the perspective photo-detector that is arranged on the sampling device place; And with the photoelectric switching circuit that is connected successively of perspective photo-detector; Modulation circuit, amplification, filtering, shaping circuit, A/D change-over circuit, single-chip microcomputer constitute.
4. the spilled oil monitoring system based on the near infrared photoelectric sense technology according to claim 3 is characterized in that: the model of said single-chip microcomputer is the MSP430F149 single-chip microcomputer.
5. according to claim 3 or 4 described spilled oil monitoring systems based on the near infrared photoelectric sense technology, it is characterized in that: said single-chip microcomputer also is connected with GPRS remote terminal device.
6. the spilled oil monitoring system based on the near infrared photoelectric sense technology according to claim 5 is characterized in that: said GPRS remote terminal device is connected with host computer through GPRS network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220211467 CN202533369U (en) | 2012-05-11 | 2012-05-11 | Near infrared photoelectric sensing technology-based oil spill monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220211467 CN202533369U (en) | 2012-05-11 | 2012-05-11 | Near infrared photoelectric sensing technology-based oil spill monitoring system |
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| Publication Number | Publication Date |
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| CN202533369U true CN202533369U (en) | 2012-11-14 |
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| CN 201220211467 Expired - Fee Related CN202533369U (en) | 2012-05-11 | 2012-05-11 | Near infrared photoelectric sensing technology-based oil spill monitoring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103389282A (en) * | 2012-05-11 | 2013-11-13 | 四川优的科技有限公司 | Near-infrared photoelectric sensing technology based oil spill monitoring system |
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2012
- 2012-05-11 CN CN 201220211467 patent/CN202533369U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103389282A (en) * | 2012-05-11 | 2013-11-13 | 四川优的科技有限公司 | Near-infrared photoelectric sensing technology based oil spill monitoring system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121114 Termination date: 20130511 |