CN111024623A - Shipborne ocean spectral measurement system - Google Patents

Shipborne ocean spectral measurement system Download PDF

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Publication number
CN111024623A
CN111024623A CN201911212948.2A CN201911212948A CN111024623A CN 111024623 A CN111024623 A CN 111024623A CN 201911212948 A CN201911212948 A CN 201911212948A CN 111024623 A CN111024623 A CN 111024623A
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CN
China
Prior art keywords
steering engine
cabinet
measurement system
adjusting mechanism
spectral measurement
Prior art date
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Pending
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CN201911212948.2A
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Chinese (zh)
Inventor
邓伟
王章军
刘鹏
杨雷
潘新
解维浩
王秀芬
初鑫钊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Oceanographic Instrumentation Research Institute Shandong Academy of Sciences
Institute of Oceanographic Instrumentation Shandong Academy of Sciences
Original Assignee
Oceanographic Instrumentation Research Institute Shandong Academy of Sciences
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Application filed by Oceanographic Instrumentation Research Institute Shandong Academy of Sciences filed Critical Oceanographic Instrumentation Research Institute Shandong Academy of Sciences
Priority to CN201911212948.2A priority Critical patent/CN111024623A/en
Publication of CN111024623A publication Critical patent/CN111024623A/en
Pending legal-status Critical Current

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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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/2007—Undercarriages with or without wheels comprising means allowing pivoting adjustment
    • F16M11/2014—Undercarriages with or without wheels comprising means allowing pivoting adjustment around a vertical axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • 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
    • G01N21/255—Details, e.g. use of specially adapted sources, lighting or optical systems
    • 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
    • G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
    • G01N21/274—Calibration, base line adjustment, drift correction

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Spectrometry And Color Measurement (AREA)

Abstract

The invention discloses a shipborne ocean spectral measurement system which comprises a cabinet, wherein the top of the cabinet is provided with an azimuth adjusting mechanism, a gray plate assembly and an attitude adjusting mechanism, and the attitude adjusting mechanism is provided with an acquisition probe; the position adjusting mechanism comprises a hollow supporting upright post fixed at the top of the cabinet and a hollow rotating motor arranged at the top end of the supporting upright post, a rotating shaft of the hollow rotating motor is connected with the ash plate component, the posture adjusting mechanism comprises a hollow steering engine upright post fixed on the ash plate component and a steering engine arranged at the top end of the steering engine upright post, and the output end of the steering engine is connected with the acquisition probe; an industrial personal computer, a power supply, a spectrometer, an inertial navigation system, a motor controller and a steering engine controller are arranged in the cabinet, and the acquisition probe is connected with the spectrometer through an acquisition cable. The invention has compact structure and strong environmental adaptability, the acquisition probe can realize automatic adjustment of the posture and the direction, can be directly fixed on a ship deck, automatically observes the marine water color element information without being attended, and realizes the purpose of remote monitoring.

Description

Shipborne ocean spectral measurement system
Technical Field
The invention relates to the technical field of ocean optical detection equipment, in particular to a shipborne ocean spectral measurement system.
Background
Although airborne and spaceborne hyperspectral remote sensing have advantages in the aspects of space detection range, space resolution and spectral resolution, the estimation precision of the airborne and spaceborne hyperspectral remote sensing cannot meet the requirement of ocean primary productivity evaluation under the influence of factors such as atmospheric scattering and the like, and in order to obtain water color remote sensing inversion data with higher precision, an inversion model and an algorithm are usually required to be corrected by a method of on-site real-time sampling measurement.
At present, the on-site real-time sampling and measuring method of three water color factors (chlorophyll a, non-pigment suspended matters and colored soluble organic matters) mostly adopts on-site fixed-point water sampling and then completes detection in a laboratory, and the method has the problems of insufficient space representativeness, easy occurrence of sample variation in the storage and transportation processes and the like, and seriously influences the timeliness of measurement and analysis. The fixed-point buoy measuring system overcomes the defects of laboratory measurement to a certain extent, but the measuring range of a monitoring network is limited, and the networking and maintenance costs are high. The existing sailing type water color three-element measuring system has poor adaptability to high-temperature, high-humidity and high-salt marine environments, a detector cannot work outdoors for a long time, and personnel are needed to watch during detection.
Moreover, some existing ocean spectrometers do not have the function of adjusting the observation direction, or have the function of adjusting the observation direction, the adjustment structure of the existing ocean spectrometers needs to be added with a motor acceleration and deceleration structure, and a conductive slip ring structure needs to be added for satisfying the cable communication, so that the whole adjustment structure is complex and huge, and is not beneficial to being used in the complex ocean environment.
Disclosure of Invention
In order to solve the technical problems, the invention provides a shipborne ocean spectral measurement system which is compact in structure and strong in environmental adaptability, the acquisition probe can realize automatic adjustment of the posture and the direction, can be directly fixed on a deck of a ship body, automatically observes ocean water color element information in 24-hour unattended operation, and realizes the purpose of remote monitoring.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a shipborne ocean spectral measurement system comprises a cabinet, wherein the top of the cabinet is provided with an azimuth adjusting mechanism, a gray board assembly and an attitude adjusting mechanism, and the attitude adjusting mechanism is provided with an acquisition probe; the azimuth adjusting mechanism comprises a hollow supporting upright fixed at the top of the cabinet and a hollow rotating motor arranged at the top end of the supporting upright, a rotating shaft of the hollow rotating motor is connected with the ash plate component, the posture adjusting mechanism comprises a hollow steering engine upright fixed on the ash plate component and a steering engine arranged at the top end of the steering engine upright, and the output end of the steering engine is connected with the acquisition probe; the industrial personal computer, the power supply, the spectrometer, the inertial navigation system, the motor controller and the steering engine controller are arranged in the cabinet, the motor controller and the steering engine controller respectively control the hollow rotating motor and the steering engine, and the acquisition probe is connected with the spectrometer through an acquisition cable.
In the above scheme, the spectrometer comprises a visible light spectrometer and a near infrared spectrometer.
In the above scheme, the shell of the cabinet is of a double-layer structure, and the heat insulation material is filled in the middle of the double-layer structure.
In the above scheme, the air conditioner is installed on the side surface of the cabinet.
In the scheme, the top of the cabinet is provided with the upper lifting ring, and the bottom of the cabinet is provided with the fixed pull ring and the roller.
In the above scheme, the gray plate assembly includes supporting platform, the gray plate lower connecting piece of taking concave die cavity is installed to the supporting platform top, the gray plate is installed to the gray plate lower connecting piece top.
In a further technical scheme, one side of the supporting platform is provided with a round limiting hole extending outwards, and the steering engine upright post is arranged in the round limiting hole.
In a further technical scheme, the acquisition and measurement cable of the acquisition probe and the control cable of the steering engine penetrate through the steering engine upright post, pass through the concave cavity of the ash plate lower connecting piece and penetrate through the supporting upright post together with the control cable of the hollow rotating motor to enter the cabinet.
In the above scheme, the acquisition probe comprises a lens barrel and a lens barrel cover, the lens barrel is internally provided with a camera and an optical fiber probe, the lens barrel cover is provided with transparent glass, and the inner side of the transparent glass is pasted with a heating wire.
In a further technical scheme, the rear end of the lens cone is provided with a watertight joint, and the data line of the camera, the optical fiber wiring of the optical fiber probe and the wiring of the heating wire are led out through the watertight joint.
According to the technical scheme, the shipborne ocean spectral measurement system provided by the invention realizes the adjustment of the posture and the orientation of the acquisition probe through the orientation adjusting mechanism, the ash plate assembly and the posture adjusting mechanism at the top of the cabinet, the acquisition probe is adjusted to point to three different angles of sky, sea and ash plate through the steering engine to acquire data, the steering engine upright post, the support upright post and the hollow rotating motor are all hollow structures, cables can be arranged in the hollow structures, a sliding ring is not needed for switching, the whole structure is compact, and the environmental suitability is strong.
The invention integrates data acquisition, analysis and control systems to a high degree, can be installed on a ship deck, sets and controls the data acquisition process through an industrial personal computer, processes spectrometer data, camera images, position data of an inertial navigation system and the like, sends instructions to a motor controller and a steering engine controller, controls the rotation of a hollow rotating motor and the steering engine, and can obtain the marine water color element information in real time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
FIG. 1 is a schematic diagram of an overall structure of a marine spectrum measurement system on board a ship according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an internal structure of a marine spectrum measurement system on board a ship according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an orientation adjustment mechanism according to an embodiment of the present invention;
FIG. 4 is a schematic view of an adapter cover according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a support platform according to an embodiment of the present invention;
FIG. 6 is a schematic view of a lower connection member of the gray plate according to an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of an attitude adjustment mechanism according to an embodiment of the present invention;
FIG. 8 is a first schematic structural diagram of a collecting probe according to an embodiment of the present invention;
FIG. 9 is a schematic structural diagram of a second exemplary embodiment of a collecting probe according to the present invention;
fig. 10 is a schematic structural diagram of a lens barrel internal camera and a fiber probe.
In the figure, 1, supporting upright posts; 2. a hollow rotating electrical machine; 3. a flange plate; 4. a shaft end nut; 5. switching the outer cover; 6. a clamping groove; 7. a raised structure; 8. a threaded hole; 9. a support platform; 10. a lower connecting piece of the gray plate; 11. a gray board; 12. a steering engine upright post; 13. a steering engine housing; 14. a steering engine; 15. a rear cover; 16. a front cover; 17. a circular limiting hole; 18. a balancing weight; 19. collecting a probe; 20. a notch; 21. an inner ring; 22. an outer ring; 23. a through hole; 24. a concave cavity; 25. a cabinet; 26. an industrial personal computer; 27. a power source; 28. an air switch; 29. a spectrometer; 30. an inertial navigation system; 31. a motor controller; 32. a steering engine controller; 33. an air conditioner; 34. an upper hanging ring; 35. fixing a pull ring; 36. a roller; 37. a lens barrel; 38. a lens barrel cover; 39. an adapter; 40. a camera; 41. a fiber optic probe; 42. a light-transmitting glass; 43. heating wires; 44. a watertight joint; 45. the rotary seat can be disassembled; 46. a protective housing.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
The invention provides a shipborne ocean spectrum measuring system which has a structure shown in figures 1 and 2, and comprises a cabinet 25, wherein an industrial personal computer 26, a power supply 27, an air switch 28, a spectrometer 29, an inertial navigation system 30, a motor controller 31 and a steering engine controller 32 are arranged in the cabinet 25 as shown in figure 2. The spectrometer 29 includes a visible light spectrometer and a near infrared spectrometer. Wherein the visible light spectrometer is used for measuring 200-1100nm wave band, and the near infrared spectrometer is used for 1100-2500nm wave band. The switching of the optical path is controlled by a wavelength division multiplexer during measurement, and the two spectrometers are respectively connected with the Y-shaped optical fiber through the wavelength division multiplexer.
The industrial personal computer 26 sets and controls the data acquisition process, processes spectrometer data, camera images, position data of the inertial navigation system and the like, sends instructions to the motor controller 31 and the steering engine controller 32, controls the rotation of the hollow rotating motor 2 and the steering engine 14, and can obtain ocean water color element information in real time.
The inertial navigation system 30 is connected with the industrial personal computer 26, provides system position parameters, sends the system position parameters to processing software to calculate the current azimuth angle and the current altitude angle of the sun, and controls the rotation direction and the rotation angle of the azimuth adjusting mechanism and the attitude adjusting mechanism through 485 signals by the motor controller 31 so as to avoid shadows generated during image data acquisition.
The power supply 27 converts the mains supply into corresponding voltages for the spectrometer 29, the motor controller 31, the inertial navigation system 30, the industrial personal computer 26 and the like. The air switch 28 is used for switching on and off the power supply, and an external power supply is connected into the cabinet and then connected into the air switch 28, and then is divided into two paths of control, wherein one path of control supplies power to the air conditioner 33, and the other path of control supplies power to the instrument.
In this embodiment, the enclosure of the cabinet 25 has a double-layer structure, and the heat insulating material is filled in the middle of the double-layer structure. An air conditioner 33 is installed at a side of the cabinet 25. The temperature in the control cabinet is constant at 23 +/-1 degrees, and normal work of devices such as a spectrometer 29 and an industrial personal computer 26 is guaranteed. The inside of the cabinet 25 is connected with the external data and the power supply by a watertight plug connector.
The top of the cabinet 25 is provided with an upper hanging ring 34, and the bottom is provided with a fixing pull ring 35 and a roller 36. The upper hoisting ring 34 is mainly used for hoisting from the shore to the ship and is also used for fixing after the system is placed on the deck of the ship, and the lower fixing pull ring 35 is used for fixing on the deck; the roller 36 is used for convenience of movement.
The top of the cabinet is provided with an orientation adjusting mechanism, a gray board assembly and an attitude adjusting mechanism, as shown in fig. 3, the orientation adjusting mechanism comprises a hollow supporting upright post 1 fixed at the top of the cabinet and a hollow rotating motor 2 installed at the top end of the supporting upright post 1, the hollow rotating motor 2 is fixed on the axial wall of the supporting upright post 1 through a flange plate 3, and the hollow rotating motor 2 is suspended in the supporting upright post 1.
The rotation axis of cavity rotating electrical machines 2 passes through axle head nut 4 and connects switching enclosing cover 5, and axle head nut 4 sets up centre gripping recess 6 in the axial direction, and as shown in fig. 4, the inner ring 21 of switching enclosing cover 5 is equipped with protruding structure 7, and the moment of torsion when increasing the rotation is cooperated with the centre gripping recess 6 of axle head nut 4. Threaded holes 8 are respectively formed in the shaft end nut 4 and the switching outer cover 5 and are connected through screws, so that the hollow rotating motor 2 is driven to rotate through the shaft end nut 4 when rotating.
In this embodiment, the rotating shaft of the hollow rotating motor 2 is connected to the shaft end nut 4 through a thread, and it is ensured that the end face of the rotating shaft of the motor is lower than the end face of the shaft end nut 4. The adapter cover 5 is provided with a through hole 23 for the cable to pass through. And the inner diameter of the outer ring 22 of the adapter outer cover 5 is larger than the outer diameter of the support upright post 1, and the top end of the support upright post 1 can be sealed after installation.
As shown in fig. 5, the ash plate assembly comprises a supporting platform 9 mounted above the adapter outer cover 5, as shown in fig. 6, an ash plate lower connecting piece 10 with a concave cavity 24 is mounted above the supporting platform 9, and an ash plate 11 is mounted above the ash plate lower connecting piece 10; in this embodiment, the concave cavity 24 of the lower connecting piece 10 of the gray plate is arranged downward, so as to play a role of rain prevention and protect cables, and the notch 20 for the cables to pass through is formed at the position, close to the steering engine upright post 12, on the side surface of the lower connecting piece 10 of the gray plate. The ash plate lower connecting piece 10 is fixed on the supporting platform 9 through a handle bolt on the side face, and is convenient to detach.
As shown in fig. 7, the posture adjustment mechanism includes a hollow steering engine upright post 12, a steering engine housing 13 is arranged at the top of the steering engine upright post 12, the steering engine 14 is located in the steering engine housing 13, and the output end of the steering engine 14 extends out of the steering engine housing 13 and is connected with the acquisition probe 19. The steering engine shell 13 comprises a detachable rear cover 15 and a detachable front cover 16, so that the steering engine 14 can be conveniently taken and placed and maintained.
A round limiting hole 17 extending outwards is formed in one side of the supporting platform 9, and the steering engine upright post 12 is installed in the round limiting hole 17. The other side bottom of the supporting platform 9 is connected with a balancing weight 18 for balancing. The sampling and measuring cable of the acquisition probe and the control cable of the steering engine penetrate through the steering engine upright post 12, pass through the concave cavity of the ash plate lower connecting piece 10, and penetrate through the supporting upright post 1 together with the control cable of the hollow rotating motor 2 to be led out.
As shown in fig. 8, the collecting probe 19 includes a lens barrel 37 and a lens barrel cover 38, as shown in fig. 10, a camera 40 and a fiber probe 41 are installed inside the lens barrel 37 through an adaptor 39, a transparent glass 42 is disposed on the lens barrel cover 38, and a heating wire 43 is attached to the inner side of the transparent glass 42, so that when the temperature is relatively low, the transparent glass 42 can be heated by the heating wire 43 to prevent the transparent glass 42 from fogging.
As shown in FIG. 9, the rear end of the lens barrel 37 is provided with a watertight connector 44, and the data line of the camera 40, the optical fiber connection of the optical fiber probe 41, and the connection of the heating wire 43 are led out through the watertight connector.
A detachable rotating seat 45 is installed on the side face of the lens barrel 37, the detachable rotating seat 45 is connected with the steering engine 14, and the rotation angle of the lens barrel 37 is controlled through the steering engine 14. A protective casing 46 is arranged on the outer side surface of the lens barrel 37, and the protective casing 46 is fixed with the lens barrel through bolts. In the installation process, the lens barrel is horizontally placed, and the protective shell 46 is positioned at the top of the lens barrel 37, so that the sun and rain can be prevented.
A shipborne marine spectrum measurement method comprises the following steps:
(1) system installation, fixation and preparation: the cabinet 25 is fixed on the side of the ship board, the measuring system is connected with power supply, the air switch 28 is opened, the air conditioner 33 is started, the proper temperature is set, and the heating wire 43 in the acquisition probe is opened.
(2) System calibration and mission planning: and initializing the equipment. Starting software of an upper computer, and controlling a steering engine to enable an acquisition probe to vertically align with the gray plate; calibrating the spectrometer by using upper computer software, and filtering out dark noise; and planning a measuring station and a navigation path of the sea area to be measured by using upper computer software, and controlling a steering engine to enable the acquisition probe to vertically align to the gray plate.
(3) And (3) station spectral data acquisition: the method comprises the steps of sailing a measuring ship to a designated station according to a planned flight path, starting upper computer software after the ship to be measured is stably moored, calculating azimuth angle and altitude angle adjusting parameters between the ship body and sun irradiation by utilizing the upper computer software according to ship body position information obtained by inertial navigation data and GPS data, and controlling a hollow rotating motor to enable an included angle between an instrument observation plane and a sun incident plane to be about 135 degrees. Controlling a steering engine to enable the acquisition probe to vertically align with the gray plate; by controlling the space attitude of the steering engine, the acquisition probe sequentially points to three different angles of sky, sea and gray plate, the downward radiance of sky light, the upward radiance of a water body and the upward radiance of the gray plate are sequentially measured, and the measured sample capacity meets the measurement requirement of ocean spectral data; shooting video images at different sampling angles through a camera, and storing acquired spectral data and image data in a customized file directory;
(4) water color three-element inversion analysis: selecting upper computer software to process and analyze the acquired hyperspectral curve to obtain a spectral reflectance curve of the measured object, and performing inversion analysis on the spectral reflectance curve through the upper computer software to obtain content information of three water color elements of the measured station to finish measurement of the station;
(5) and (4) navigating to the next station according to the planned flight path, and repeating the steps (2) to (4) until the measurement of all stations of the measured sea area is completed, so as to obtain the distribution information of the three elements of the water color of the sea area.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A shipborne ocean spectral measurement system is characterized by comprising a cabinet, wherein the top of the cabinet is provided with an azimuth adjusting mechanism, a gray board assembly and a posture adjusting mechanism, and the posture adjusting mechanism is provided with an acquisition probe; the azimuth adjusting mechanism comprises a hollow supporting upright fixed at the top of the cabinet and a hollow rotating motor arranged at the top end of the supporting upright, a rotating shaft of the hollow rotating motor is connected with the ash plate component, the posture adjusting mechanism comprises a hollow steering engine upright fixed on the ash plate component and a steering engine arranged at the top end of the steering engine upright, and the output end of the steering engine is connected with the acquisition probe; the industrial personal computer, the power supply, the spectrometer, the inertial navigation system, the motor controller and the steering engine controller are arranged in the cabinet, the motor controller and the steering engine controller respectively control the hollow rotating motor and the steering engine, and the acquisition probe is connected with the spectrometer through an acquisition cable.
2. The on-board marine spectral measurement system of claim 1, wherein the spectrometer comprises a visible light spectrometer and a near infrared spectrometer.
3. The marine spectroscopic measurement system of claim 1 wherein the housing of the cabinet is a double-decker structure with thermal insulation material between the double-decker structure.
4. The on-board marine spectral measurement system of claim 1, wherein an air conditioner is mounted to a side of the cabinet.
5. The marine spectral measurement system of claim 1, wherein the cabinet has a top suspension ring and a bottom fixing suspension ring and rollers.
6. The on-board marine spectral measurement system of claim 1, wherein the gray plate assembly comprises a support platform, a gray plate lower connector with a concave cavity is mounted above the support platform, and a gray plate is mounted above the gray plate lower connector.
7. The shipborne ocean spectral measurement system according to claim 6, wherein one side of the supporting platform is provided with a circular limiting hole extending outwards, and the steering engine upright post is installed in the circular limiting hole.
8. The shipborne ocean spectral measurement system according to claim 6, wherein the acquisition cable of the acquisition probe and the control cable of the steering engine pass through the steering engine upright post, pass through the concave cavity of the ash plate lower connecting piece, and pass through the support upright post together with the control cable of the hollow rotating motor to enter the cabinet.
9. The marine spectral measurement system of claim 1, wherein the collection probe comprises a lens barrel and a lens barrel cover, the lens barrel is internally provided with a camera and a fiber probe, the lens barrel cover is provided with transparent glass, and the inner side of the transparent glass is adhered with a heating wire.
10. The marine spectral measurement system of claim 9, wherein a watertight connector is disposed at a rear end of the lens barrel, and the data line of the camera, the optical fiber connection of the optical fiber probe, and the connection of the heating wire are led out through the watertight connector.
CN201911212948.2A 2019-12-02 2019-12-02 Shipborne ocean spectral measurement system Pending CN111024623A (en)

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Application Number Priority Date Filing Date Title
CN201911212948.2A CN111024623A (en) 2019-12-02 2019-12-02 Shipborne ocean spectral measurement system

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Application Number Priority Date Filing Date Title
CN201911212948.2A CN111024623A (en) 2019-12-02 2019-12-02 Shipborne ocean spectral measurement system

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Publication Number Publication Date
CN111024623A true CN111024623A (en) 2020-04-17

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CN201911212948.2A Pending CN111024623A (en) 2019-12-02 2019-12-02 Shipborne ocean spectral measurement system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112610844A (en) * 2020-11-18 2021-04-06 烟台大学 Tripod head structure is stabilized to buoy antenna

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112610844A (en) * 2020-11-18 2021-04-06 烟台大学 Tripod head structure is stabilized to buoy antenna

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