CN107356542B - Multi-parameter observation system for underwater light field and marine environment - Google Patents
Multi-parameter observation system for underwater light field and marine environment Download PDFInfo
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- CN107356542B CN107356542B CN201710749064.5A CN201710749064A CN107356542B CN 107356542 B CN107356542 B CN 107356542B CN 201710749064 A CN201710749064 A CN 201710749064A CN 107356542 B CN107356542 B CN 107356542B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
-
- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N2021/4704—Angular selective
- G01N2021/4709—Backscatter
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
Abstract
The invention belongs to the technical field of marine equipment, relates to an underwater light field and marine environment multi-parameter observation system, and solves the problem that multi-parameter marine environment data cannot be synchronously acquired during observation of inherent optical quantity of the underwater light field in the existing marine optical measurement technology. The system can synchronously and stably carry out synchronous three-dimensional comprehensive observation on multiple factors affecting optical signals in the marine environment. The design of the system realizes the requirements of omnibearing, stereoscopic and synchronous observation of physical environment elements such as optical absorption, attenuation, backward scattering, temperature, salinity, PH, chlorophyll, dissolved oxygen, turbidity and the like, and provides technical equipment guarantee for analysis of a later marine optical multi-parameter interaction mechanism. Meanwhile, the structural design of the system fully considers the corrosion resistance, the adaptability of severe sea conditions and the convenience of installation and maintenance. Provides necessary technical equipment for scientific research towards deep sea ocean observation.
Description
Technical Field
The invention belongs to the technical field of marine equipment, and particularly relates to an underwater light field and marine environment multi-parameter observation system.
Background
The 21 st century is the century of the ocean, and ocean surveys are conducted to recognize, develop and utilize the ocean. Marine equipment of high and new technology is an important guarantee for marine surveys. In order to discover new ocean phenomena, verify new ocean theory and meet the development requirements of ocean science, it is important to acquire stable and reliable multi-element ocean science data in research sea areas. In the prior art, when the ocean optical profile is observed, multi-parameter ocean environment element data cannot be synchronously acquired. The optical characteristics of the natural water body are closely related to biology, geology, chemical elements and physical environment, wherein the relation between the inherent optical characteristics and the physical environment is especially close, and the acquisition of the multi-parameter physical elements of the natural water body is significant. Therefore, the method can synchronously and stably carry out synchronous three-dimensional comprehensive observation on multiple factors influencing optical signals in the ocean environment, and has great significance for developing ocean optics and water color remote sensing research.
Disclosure of Invention
The invention aims to solve the technical problems:
the invention provides an underwater light field and marine environment multi-parameter observation system, which solves the problem that the inherent optical quantity of the underwater light field in the existing marine optical measurement technology cannot synchronously acquire multi-parameter marine environment data. The underwater light field and marine environment multi-parameter observation system is marine investigation and measurement technical equipment integrating multiple parameters, and can synchronously and stably carry out synchronous three-dimensional comprehensive observation on multiple factors affecting optical signals in the marine environment. The design of the system realizes the requirements of omnibearing, stereoscopic and synchronous observation of physical environment elements such as optical absorption, attenuation, backward scattering, temperature, salinity, PH, chlorophyll, dissolved oxygen, turbidity and the like, and provides technical equipment guarantee for analysis of a later marine optical multi-parameter interaction mechanism. Meanwhile, the structural design of the system fully considers the corrosion resistance, the adaptability of severe sea conditions and the convenience of installation and maintenance. Provides necessary technical equipment for scientific research towards deep sea ocean observation.
The invention aims at realizing the following technical scheme:
the invention relates to an underwater light field and marine environment multi-parameter observation system, which is characterized in that: the system comprises a top bearing ring, a profile frame, a hyperspectral absorption attenuation measuring unit, a battery pack main body unit, a backscattering measuring unit, a water quality element measuring power supply unit, a data acquisition and control unit and a warm salt depth measuring unit, wherein the top bearing ring is arranged at the top of the profile frame, the profile frame is of a frame structure and comprises a square frame at the upper part and a square frame at the lower part, the hyperspectral absorption attenuation measuring unit, the battery pack main body unit, the backscattering measuring unit, the water quality element measuring power supply unit, the data acquisition and control unit and the warm salt depth measuring unit are vertically arranged in the square frame, the side walls of the units are respectively fixed with the side walls of the square frame through fixing pieces, and the bottoms of the hyperspectral absorption attenuation measuring unit, the battery pack main body unit, the water quality element measuring unit and the data acquisition and control unit are all arranged at the bottom in the square frame through fixing seats.
In the invention, the top bearing ring is used for connecting with the shipborne winch and is a bearing connection part of the whole system, so that the coordination work of a plurality of constituent units carried on the profile frame is finished. The data integration and control unit completes the functions of multi-sensor acquisition data receiving, data storage and time sequence management. The power supply and data transmission end of the data integration and control unit is respectively connected with the power supply and data transmission ports of the hyperspectral absorption attenuation measuring unit, the backward scattering measuring unit and the temperature and salt depth measuring unit through connecting cables, so that power supplies required by working are provided for all sensors, and the time sequence management of internal program instructions and the receiving and storing of data of the connecting sensors are responsible. The power supply and data transmission end in the data integration and control unit is connected with the power output end of the battery pack main body unit through a connecting cable and is used for power supply requirements in the battery pack main body unit. The hyperspectral absorption attenuation measuring unit mainly completes measurement of total absorption and attenuation coefficients of seawater, and transmits measured data to the data integration and control unit through the connecting cable for storage. The back scattering measurement unit is used for completing the measurement of the back scattering coefficient of the seawater and transmitting the measured data to the data integration and control unit for storage through a data cable. The temperature and salt depth measuring unit mainly completes the measurement of the temperature, the conductivity and the pressure of the seawater, and transmits the measured data to the data integration and control unit for storage through a data cable. The water quality element measuring unit mainly completes measurement and data storage of temperature, salinity, depth, dissolved oxygen, PH, turbidity and chlorophyll water quality parameters of seawater, and a power input end at the bottom end of the water quality element measuring unit is connected with a power output end of the water quality element measuring power supply unit through a connecting cable, so that the power demand of the water quality element measuring unit is ensured. The reason that two sets of temperature and salt depth measuring instruments (temperature and salinity sensors in a water quality element measuring unit and a temperature and salt depth measuring unit) are arranged in the system is to carry out mutual comparison and comparison analysis of data.
Wherein, the preferable scheme is as follows:
the fixing piece comprises a fixing beam fixedly connected with the square frame through bolts and fixing hoops in closed connection with two ends of the fixing beam, and each unit is fixed in a space surrounded by the fixing beam and the fixing hoops.
The fixing piece of the backward scattering measurement unit is in sliding connection with the square frame, a hollow channel is vertically arranged on the square frame, and the fixing piece is provided with a horizontal screw rod and is inserted into the hollow channel to move up and down and adjust tightness through a nut.
The back scattering measurement unit bottom be provided with a plurality of spacing fixed foot, spacing fixed foot one end be horizontal structure and be located back scattering measurement unit bottom, the other end passes through bolt fixed connection with adjacent mounting. The fixing mode of the back scattering measurement unit meets the requirement of optical back scattering measurement, ensures the applicability of the back scattering measurement unit in different sea conditions, increases the flexibility and applicability of the system, and further improves the investigation efficiency.
And a plurality of sacrificial anodes are arranged on the profile frame. The sacrificial anode is preferably a zinc block. The addition of the sacrificial anode fully considers the electrochemical corrosion of different materials, is used for preventing corrosion of other equipment observed in the ocean for a long time, effectively protects the equipment, reduces the loss and increases the safety of the system.
The battery pack main body unit and the water quality element measurement power supply unit are symmetrically arranged on two sides of the inner wall of the square frame. The symmetrical power supply units are designed, so that the balance weight of the system is guaranteed, the power supply requirements of all units are met, cables are not needed in the section measurement process, safety and stability are achieved, and the efficiency is improved.
The whole system uses black anti-corrosion paint, so that the interference of reflected light on inherent optical measurement can be reduced.
The top bearing ring and the profile frame are made of steel materials, so that the strength of the whole system is ensured, and safety protection is provided for each unit inside.
The fixing piece is made of black nylon materials, so that pollution of particles formed by the materials to a water source for measurement can be effectively avoided, and meanwhile, the effects of corrosion resistance and biological adhesion prevention are achieved.
Compared with the prior art, the invention has a plurality of advantages and positive effects:
the traditional underwater light field optical quantity observation system has single design structure and simplified function, does not consider the corrosion resistance and the counterweight function of a fixed platform, is difficult to meet the requirement of multi-parameter profile observation, has higher requirement of optical observation in the marine environment, and can measure the change of a real marine light signal only by completely eliminating interference elements influencing the optical observation. In particular, the absorption, attenuation and backscattering coefficient are measured, and the environmental elements such as temperature, salinity and the like are obvious. The system has the advantages that the whole structural design fully considers the observation of all other environmental factors affecting optical measurement, integrates all sensors and power supply units into one platform for observation, can meet the synchronous observation of temperature, salinity, depth, absorption, attenuation coefficients, backscattering coefficients, dissolved oxygen, chlorophyll, PH and turbidity, and centrally manages data in a data integration and control unit, thereby being beneficial to later data processing and analysis and providing high-quality data guarantee for scientific research.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a rear view of FIG. 1;
in the figure: 1. the solar energy water heater comprises a top bearing ring 2, a sacrificial anode 3, a profile frame 4, a hyperspectral absorption attenuation measuring unit 5, a battery pack main body unit 6, a back scattering measuring unit 7, a water quality element measuring unit 8, a water quality element measuring power supply unit 9, a data acquisition and control unit 10, a warm salt depth measuring unit 11, a connecting cable 12, a fixing piece 13, a fixing seat 14 and a hollow channel.
FIG. 3 is a schematic diagram of a data acquisition and control unit according to the present invention;
in the figure: 91. a power and data transmission end 92, a magnetic switch 93, a bottom connection cover 94, a body 95, and a top connection cover.
FIG. 4 is a schematic diagram of a water quality element measuring unit in the present invention;
in the figure: 71. an anti-biofouling system 72, a connector 73, a dissolved oxygen sensor 74, a power connection 75, a body 76, an anti-biofouling ring 77, data transmission ports 78 and 79, a dissolved oxygen sensor 710, a temperature and salinity sensor.
FIG. 5 is a schematic diagram of a backscatter measurement cell in accordance with the present invention;
in the figure: 61. optical lens 62, data connection port 63, and body
FIG. 6 is a schematic diagram of a hyperspectral absorption decay measuring unit in the present invention;
in the figure: 41. the device comprises a power input end 42, a body 43, a seawater inlet 44, a seawater outlet 45, a body 46, a fixed base 47, an optical measurement channel 48 and a data transmission end.
FIG. 7 is a schematic diagram of a medium temperature salt depth measurement unit according to the present invention;
in the figure: 101. data transmission port 102, body 103, stainless steel protective jackets 104 and 105, and a stationary snap ring.
Detailed Description
The invention is further described below with reference to examples and figures.
Example 1:
as shown in fig. 1 and 2, an underwater light field and marine environment multi-parameter observation system comprises a top bearing ring 1, a profile frame 3, a hyperspectral absorption attenuation measurement unit 4, a battery pack main body unit 5, a backscattering measurement unit 6, a water quality element measurement unit 7, a water quality element measurement power supply unit 8, a data acquisition and control unit 9 and a warm salt depth measurement unit 10, wherein the top bearing ring 1 is arranged at the top of the profile frame 3, the profile frame 3 is of a frame type structure and comprises an upper rectangular pyramid frame and a lower square frame, the hyperspectral absorption attenuation measurement unit 4, the battery pack main body unit 5, the backscattering measurement unit 6, the water quality element measurement unit 7, the water quality element measurement power supply unit 8, the data acquisition and control unit 9 and the warm salt depth measurement unit 10 are vertically arranged in the square frame, the side walls of the hyperspectral absorption attenuation measurement unit 4, the battery pack main body unit 5, the battery element measurement unit 7 and the data acquisition and control unit 9 are respectively fixed with the side walls of the square frame through fixing pieces 12, and the bottom of the hyperspectral absorption attenuation measurement unit 7 and the data acquisition and the control unit 9 are respectively arranged in the square frame 13.
In this embodiment, the top bearing ring 1 is used for connecting with a shipborne winch, and is a bearing connection part of the whole system, so as to complete coordination of a plurality of constituent units carried on the profile frame 3.
The data integration and control unit 9 is shown in fig. 3, and includes a power supply and data transmission terminal 91, a magnetic switch 92 (for controlling the start and end of the operation of the sensor), a bottom connection cover 93, a body 94, and a top connection cover 95. The data integration and control unit 9 completes the functions of multi-sensor acquisition data receiving, data storage and time sequence management. The power supply and data transmission end 91 of the data integration and control unit 9 is respectively connected with the power supply and data transmission ports of the hyperspectral absorption attenuation measuring unit 4, the backward scattering measuring unit 6 and the temperature and salt depth measuring unit 10 through the connecting cable 11, so as to provide power supply required by working for all sensors, and is responsible for time sequence management of internal program instructions and receiving and storing of connected sensor data. The power supply and data transmission end 91 of the data integration and control unit 9 is connected to the power output end of the battery pack main unit 5 through the connection cable 11 for power supply requirements inside.
The hyperspectral absorption attenuation measuring unit 4 is shown in fig. 6, and comprises a power input end 41, a body 42, a seawater inlet 43, a seawater outlet 44, a body 45, a fixed base 46, an optical measuring channel 47 and a data transmission end 48. The hyperspectral absorption attenuation measuring unit 4 mainly completes measurement of total absorption and attenuation coefficients of seawater, and transmits measured data to the data integration and control unit 9 through a connecting cable for storage.
The back-scattering measurement unit 6 includes an optical lens 61, a data connection port 62, and a body 63, as shown in fig. 5. The backscattering measurement unit 6 completes the measurement of the backscattering coefficient of the seawater, and transmits the measured data to the data integration and control unit 9 for storage through a data cable.
The temperature and salt depth measuring unit 10 is shown in fig. 7, and comprises a data transmission port 101, a body 102, a stainless steel protective jacket 103 and fixing clamping rings 104 and 105. The temperature and salt depth measuring unit 10 mainly completes the measurement of the temperature, the conductivity and the pressure of the seawater, and transmits the measured data to the data integration and control unit 9 for storage through a data cable.
The water quality element measuring unit 7 is shown in fig. 4, and comprises an anti-biological adhesion system 71, a connecting piece 72, a dissolved oxygen sensor 73, a power supply connecting end 74, a body 75, an anti-biological adhesion ring 76, a data transmission port 77, dissolved oxygen sensors 78 and 79 and a temperature and salinity sensor 710. The water quality element measuring unit 7 mainly completes measurement and data storage of temperature, salinity, depth, dissolved oxygen, PH, turbidity and chlorophyll water quality parameters of the seawater, and a power input end 74 at the bottom end of the water quality element measuring unit is connected with a power output end of the water quality element measuring power supply unit 8 through a connecting cable 11, so that the power requirement of the water quality element measuring unit is ensured. The reason why two sets of temperature and salt depth measuring instruments (the temperature and salinity sensor 710 in the water quality element measuring unit 7 and the temperature and salt depth measuring unit 10) are arranged in the system is to perform mutual comparison and comparison analysis of data.
The fixing piece 12 comprises a fixing beam fixedly connected with the square frame through bolts and fixing hoops in closed connection with two ends of the fixing beam, and the units are fixed in a space surrounded by the fixing beam and the fixing hoops.
The fixing piece 12 of the back scattering measurement unit 6 is in sliding connection with a square frame, a hollow channel 14 is vertically arranged on the square frame, and the fixing piece 12 is provided with a horizontal screw rod and is inserted into the hollow channel 14 to move up and down and adjust tightness through a nut.
The bottom of the back scattering measurement unit 6 is provided with a plurality of limiting fixing feet, one end of each limiting fixing foot is of a horizontal structure and is positioned at the bottom of the back scattering measurement unit 6, and the other end of each limiting fixing foot is fixedly connected with an adjacent fixing piece through a bolt. The fixing mode of the back scattering measurement unit 6 ensures the applicability of the optical back scattering measurement unit in different sea conditions while meeting the requirement of optical back scattering measurement, so that the flexibility and applicability of the system are improved, and the investigation efficiency is further improved.
The profile frame 3 is provided with a plurality of sacrificial anodes 2. The sacrificial anode 2 is a zinc block. The addition of the sacrificial anode 2 fully considers the electrochemical corrosion of different materials, is used for preventing corrosion of other equipment observed in the ocean for a long time, effectively protects the equipment, reduces the loss and increases the safety of the system.
The battery pack main body unit 5 and the water quality element measurement power supply unit 8 are symmetrically arranged on two sides of the inner wall of the square frame. The symmetrical power supply units are designed, so that the balance weight of the system is guaranteed, the power supply requirements of all units are met, cables are not needed in the section measurement process, safety and stability are achieved, and the efficiency is improved.
The whole system uses black anti-corrosion paint, so that the interference of reflected light on inherent optical measurement can be reduced.
The top bearing ring 1 and the profile frame 3 are made of steel materials, so that the strength of the whole system is ensured, and safety protection is provided for each unit inside.
The fixing piece 12 is made of black nylon material, so that pollution of particulate matters formed by the material to a measuring water source can be effectively avoided, and meanwhile, the effects of corrosion resistance and biological adhesion prevention are achieved.
Claims (10)
1. An underwater light field and marine environment multiparameter observation system is characterized in that: the system comprises a top bearing ring, a profile frame, a hyperspectral absorption attenuation measuring unit, a battery pack main body unit, a backscattering measuring unit, a water quality element measuring power supply unit, a data acquisition and control unit and a warm salt depth measuring unit, wherein the top bearing ring is arranged at the top of the profile frame, the profile frame is of a frame structure and comprises a square frame at the upper part and a square frame at the lower part, the hyperspectral absorption attenuation measuring unit, the battery pack main body unit, the backscattering measuring unit, the water quality element measuring power supply unit, the data acquisition and control unit and the warm salt depth measuring unit are vertically arranged in the square frame, the side walls of the units are respectively fixed with the side walls of the square frame through fixing pieces, and the bottoms of the hyperspectral absorption attenuation measuring unit, the battery pack main body unit, the water quality element measuring unit and the data acquisition and control unit are all arranged at the bottom in the square frame through fixing seats.
2. The underwater light field and marine environment multiparameter observation system of claim 1, wherein: the fixing piece comprises a fixing beam fixedly connected with the square frame through bolts and fixing hoops in closed connection with two ends of the fixing beam, and each unit is fixed in a space surrounded by the fixing beam and the fixing hoops.
3. The underwater light field and marine environment multiparameter observation system of claim 1, wherein: the fixing piece of the backward scattering measurement unit is in sliding connection with the square frame, a hollow channel is vertically arranged on the square frame, and the fixing piece is provided with a horizontal screw rod and is inserted into the hollow channel to move up and down and adjust tightness through a nut.
4. A multi-parameter underwater light field and marine environment observation system according to claim 1 or 3, characterized in that: the back scattering measurement unit bottom be provided with a plurality of spacing fixed foot, spacing fixed foot one end be horizontal structure and be located back scattering measurement unit bottom, the other end passes through bolt fixed connection with adjacent mounting.
5. The underwater light field and marine environment multiparameter observation system of claim 1, wherein: and a plurality of sacrificial anodes are arranged on the profile frame.
6. The underwater light field and marine environment multiparameter observation system of claim 5, wherein: the sacrificial anode is a zinc block.
7. The underwater light field and marine environment multiparameter observation system of claim 1, wherein: the battery pack main body unit and the water quality element measurement power supply unit are symmetrically arranged on two sides of the inner wall of the square frame.
8. The underwater light field and marine environment multiparameter observation system of claim 1, wherein: the whole system is entirely coated with black anti-corrosion paint.
9. The underwater light field and marine environment multiparameter observation system of claim 1, wherein: the top bearing ring and the profile frame are made of steel materials.
10. The underwater light field and marine environment multiparameter observation system of claim 1, wherein: the fixing piece is made of black nylon materials.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108107174A (en) * | 2018-04-08 | 2018-06-01 | 郑州东之诺科技有限公司 | A kind of environmental improvement monitoring device based on hydraulic power generation technology |
| CN108332804B (en) * | 2018-04-19 | 2024-01-23 | 中国科学院海洋研究所 | Multi-parameter continuous observation system for navigation type ocean surface layer |
| CN108645442A (en) * | 2018-05-11 | 2018-10-12 | 天津大学 | A kind of observation device of synchro measure marine physics, chemistry and Ecological Parameter |
| CN108645989A (en) * | 2018-05-28 | 2018-10-12 | 国家海洋局第二海洋研究所 | A kind of boating type seawater continuous processing, sampling and multi-parameter water quality monitoring device |
| CN109187896B (en) * | 2018-08-06 | 2020-06-16 | 大连理工大学 | Module combined type multi-parameter water quality data acquisition device and use method thereof |
| CN114636441B (en) * | 2022-02-23 | 2023-06-09 | 国家海洋技术中心 | Multi-parameter sensor suitable for underwater low-temperature high-pressure environment and testing method thereof |
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