CN109827551B - Split type ocean boundary layer observation equipment and method - Google Patents

Split type ocean boundary layer observation equipment and method Download PDF

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Publication number
CN109827551B
CN109827551B CN201910084218.2A CN201910084218A CN109827551B CN 109827551 B CN109827551 B CN 109827551B CN 201910084218 A CN201910084218 A CN 201910084218A CN 109827551 B CN109827551 B CN 109827551B
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carrier
observation
shell
observation body
boundary layer
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CN109827551A (en
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宋大雷
杨华
郭亭亭
徐超
麻怡凯
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Ocean University of China
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Ocean University of China
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Priority to CN201910084218.2A priority Critical patent/CN109827551B/en
Priority to PCT/CN2019/079975 priority patent/WO2020155349A1/en
Publication of CN109827551A publication Critical patent/CN109827551A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C13/00Surveying specially adapted to open water, e.g. sea, lake, river or canal
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13Receivers
    • G01S19/14Receivers specially adapted for specific applications
    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link

Abstract

The invention discloses a split type ocean boundary layer observation device, which comprises a carrier and an observation body, wherein the observation body and the carrier are in a separable connection mode; the carrier comprises a buoyancy driving mechanism, a pressure sensor, a controller, a first wireless communication module and a first GPS positioning module, and a release device for controlling the connection or the separation of the observation body and the carrier is arranged at the top end of the carrier; the measuring probe of the observation body is provided with a flow guide cover outside the measuring probe, and a data acquisition module, a second wireless communication module and a second GPS positioning module are arranged in the observation body. The invention adopts split type observation equipment from stable sea conditions to complex sea conditions from bottom to top, the carrier adopts a buoyancy driving mode, although the buoyancy driving occupies larger volume, the carrier does not occupy the volume of an observation body, only the observation equipment passes through a sea area to be measured during observation, and the influence on the sea is reduced due to smaller volume, thereby greatly improving the authenticity and the accuracy of the measured data.

Description

Split type ocean boundary layer observation equipment and method
Technical Field
The invention relates to the field of marine observation, in particular to split type marine boundary layer observation equipment and a method for observing a marine boundary layer by adopting the observation equipment.
Background
The energy and material exchange between the ocean and the atmosphere influences the global water circulation, the biogeochemical circulation and the energy circulation, and has an important role in the global environment, climate and ecological balance. The boundary layer of the near water body of the sea-air interface is an important component for researching the sea-air interaction, and the boundary layer comprises a plurality of complex physical processes and chemical processes and is also a regional layer for gathering a plurality of marine organisms.
At present, the observation of the boundary layer of the sea-air interface near the water body mainly depends on buoys and shipborne sailing observation. Wherein, the buoy mainly comprises an anchor calibration buoy, a drift buoy and the like; the navigation is mainly shipborne, particularly in a navigation mode, the observation time is very limited, the observation is very easily influenced by weather, the observation in open sea is very difficult to complete, the observation maneuverability is limited, the time-space change of the sea on different scales is difficult to study, and the observation data is easily interfered by a ship body and the like. Correspondingly, the observation instruments are mainly cabled and cableless, wherein the cableless instruments mainly fall freely, and after reaching a certain depth, the weight blocks are abandoned and then float upwards to complete the measurement process.
In summary, the existing ocean boundary layer observation has the following problems:
(1) the traditional measurement mode is from top to bottom, because sea surface sea conditions are complex, the initial state of the observation equipment is influenced by the action of sea waves and the like after the observation equipment enters water, the observation equipment generates acting force in the horizontal direction, the observation equipment can swing left and right in the submergence process, the boundary layer has a distance of only dozens of meters, the observation equipment penetrates through the boundary layer after the state of the observation equipment is adjusted, and therefore a great error can be generated on the observation data of the boundary layer.
(2) At present, the measurement mode from bottom to top adopts integrated observation, so that the equipment volume is large, the equipment can generate large influence on the original ocean current in the floating process, and the measured data is not in a real ocean state.
(3) The equipment floats upwards and submerges, the traditional method adopts a mode of heavy load throwing, so that the design repeatability is not high, and the equipment cost is increased.
Disclosure of Invention
Based on the technical problem, the invention provides a split type ocean boundary layer observation device and a method.
The technical solution adopted by the invention is as follows:
a split type ocean boundary layer observation device comprises a carrier and an observation body, wherein the observation body and the carrier are in a separable connection mode;
the carrier comprises a first shell, a buoyancy driving mechanism for controlling the carrier to float upwards or submerge downwards is arranged at the bottom end of the first shell, a pressure sensor for measuring the sea depth is further arranged on the first shell, a first pressure-resistant cabin is arranged inside the first shell, a controller, a first wireless communication module and a first GPS positioning module are arranged in the first pressure-resistant cabin, and a release device for controlling the observation body to be connected with or separated from the carrier is arranged at the top end of the first shell;
the releasing device comprises a motor, a releasing ring, a nut and a nut sleeve, the releasing ring comprises an outer ring and an inner ring which can freely rotate mutually, the motor is fixed on a motor support, the outer ring is fixedly connected with the motor support, a rotating shaft of the motor is connected with the lower part of the inner ring, the upper part of the inner ring is connected with the nut sleeve, an inner thread groove matched with the external thread of the nut is arranged on the inner side of the nut sleeve, the nut is screwed into the nut sleeve, and the nut is fixed at the bottom end of the observation body;
the pressure sensor and the motor are both connected with the controller;
a limiting structure used for limiting the relative rotation between the observation body and the carrier but not limiting the axial movement between the observation body and the carrier is also arranged between the observation body and the carrier;
the observation body comprises a second shell, a measuring probe is arranged at the top of the second shell, a flow guide cover is arranged at the top of the second shell and on the outer side of the measuring probe, a nut is arranged at the bottom of the second shell, a floating body is arranged on the outer side of the second shell, a pressure-resistant cabin is arranged in the second shell, a data acquisition module, a second wireless communication module and a second GPS positioning module are arranged in the pressure-resistant cabin, and the measuring probe is connected with the data acquisition module.
Preferably, the limiting structure comprises a limiting protrusion and a limiting groove matched with the limiting protrusion, the limiting protrusion is arranged on the second shell, the limiting groove is arranged on the first shell, and after the nut is screwed into the nut sleeve, the limiting protrusion is vertically clamped into the limiting groove; or the limiting structure comprises a first limiting groove, a second limiting groove and a vertical inserting rod, the first limiting groove is arranged on the first shell, the second limiting groove is arranged on the second shell, after the nut is screwed into the nut sleeve, the first limiting groove and the second limiting groove are opposite up and down, and the vertical inserting rod is inserted into the first limiting groove and the second limiting groove.
Preferably, balls are provided between the outer ring and the inner ring of the release ring.
Preferably, the first shell and the second shell are both in streamline design.
Preferably, the measurement probes comprise probes for measuring turbulence, warm salt depth and ocean currents.
A split type ocean boundary layer observation method adopts the device, and comprises the following steps:
(1) the carrier is adjusted to negative buoyancy through a buoyancy driving mechanism, carries an observation body to submerge to reach the position below the ocean boundary layer and the mixing layer, and measures the submerging depth of the carrier in real time through a pressure sensor in the submerging process;
(2) when the carrier submerges to reach a preset depth, the controller controls the motor to release the observation body, and the specific process is as follows: the controller gives a signal to the motor to control the motor to rotate anticlockwise, the nut sleeve rotates anticlockwise along with the motor when the rotating shaft of the motor drives the inner ring to rotate anticlockwise, the observation body and the carrier cannot rotate relatively due to the acting force of the limiting structure, so that the nut sleeve is gradually separated from the nut in the rotating process, and the observation body is separated from the carrier after the nut is separated from the nut sleeve;
(3) the observation body is set to be positive buoyancy, quickly floats upwards under the action of the buoyancy, measures the data of turbulence, thermohaline depth and ocean current of the ocean boundary layer through the measuring probe when passing through the ocean boundary layer, observes the sea condition of the boundary layer, and transmits the data detected by the measuring probe to the data acquisition module for storage; when the observation body floats to the sea surface, the second wireless communication module and the second GPS positioning module send position data to recover the observation body;
(4) after the carrier releases the observation body, the carrier is adjusted to be positive buoyancy through the buoyancy driving mechanism, the carrier floats upwards, and after the carrier floats to the sea surface, the carrier is recovered by sending position data through the first wireless communication module and the first GPS positioning module.
In the above steps, during the floating process of the observation body, the measuring probe is protected by the guide sleeve, and the guide sleeve also plays a role in guiding the flow.
The beneficial technical effects of the invention are as follows:
the invention adopts split type observation equipment from stable sea conditions to complex sea conditions from bottom to top, the carrier adopts a buoyancy driving mode, although the buoyancy driving occupies larger volume, the carrier does not occupy the volume of the observation equipment (observation body), only the observation equipment passes through a sea area to be measured during observation, and the influence on the sea is reduced due to smaller volume, thereby greatly improving the authenticity and the accuracy of measured data.
The advantages of the invention are embodied in the following aspects:
1. by adopting a split type detection mode, the influence of observation equipment on the water body due to large volume can be reduced, and the originality of the measurement environment can be improved.
2. Adopt the measuring method from bottom to top, equipment has got into steady state before entering into the sea area of waiting to observe, measures to complicated sea area by stable sea area like this, can reduce the external influence that the anterior segment was measured and is caused the back end.
3. The carrier adopts buoyancy drive mode dive and come-up, can be than throwing the weight thing formula dive mode, can use repeatedly, reduce cost, and the carrier is simple and convenient with the installation of observation body moreover.
4. The sensor measuring probe is arranged at the top end of the observation body, ocean data can be measured at the first time, the air guide sleeve can protect the measuring probe, the air guide sleeve can play a role in guiding the air, and the influence of water flow on the measuring probe can be avoided as much as possible.
Drawings
The invention will be further described with reference to the following detailed description and drawings:
FIG. 1 is a schematic view of the external overall structure of the present invention;
FIG. 2 is a schematic view of the structural principle of the present invention, in which the carrier is separated from the observation body;
FIG. 3 is a schematic view of the structure of the vector of the present invention;
FIG. 4 is a schematic view of the structural principle of the observation body of the present invention;
FIG. 5 is a front view of an observation volume according to the present invention;
FIG. 6 is a schematic flow chart of the present invention for observing the ocean boundary layer.
Detailed Description
At present, the integral equipment is mostly adopted for measuring the sea condition data of the boundary layer from bottom to top, so the measuring mode has the defect that the equipment is large in volume, the ocean is disturbed by the area through hydrodynamic analysis, and the measured ocean data has errors. At present, the Argo measurement mode from bottom to top is integrated measurement. The traditional top-down measuring mode influences the initial state of measurement because the sea level sea state is extremely complex, the ocean boundary layer is only dozens of meters, the sea area is already passed by the well-adjusted state of equipment, and therefore the error caused by the top-down measuring mode is larger.
Aiming at the technical problem, the invention provides a split type ocean boundary layer observation device and a method.
With the attached drawings, the split type ocean boundary layer observation equipment comprises a carrier 1 and an observation body 2, wherein the observation body 2 and the carrier 1 are in a separable connection mode. The carrier 1 comprises a first shell 11, a buoyancy driving mechanism 12 used for controlling the carrier to float upwards or submerge downwards is arranged at the bottom end of the first shell, a pressure sensor 13 used for measuring sea depth is further arranged on the first shell, a first pressure-resistant cabin 14 is arranged inside the first shell, a controller, a first wireless communication module and a first GPS positioning module are arranged in the first pressure-resistant cabin, and a release device used for controlling the observation body to be connected with or separated from the carrier is arranged at the top end of the first shell. The releasing device comprises a motor 31, a releasing ring 32, a nut 33 and a nut sleeve 34, wherein the releasing ring 32 comprises an outer ring and an inner ring which can freely rotate relative to each other, balls are arranged between the outer ring and the inner ring, and the releasing ring is similar to a bearing structure as a whole. The motor 31 is fixed on the motor support 35, the outer ring is fixedly connected with the motor support, the rotating shaft of the motor is connected with the lower part of the inner ring, the upper part of the inner ring is connected with the nut sleeve, the inner side of the nut sleeve 34 is provided with an inner thread groove matched with the outer thread of the nut, the nut 33 is screwed into the nut sleeve 34, and the nut 33 is fixed at the bottom end of the observation body 2. And the pressure sensor and the motor are both connected with the controller. And a limiting structure for limiting the relative rotation between the observation body and the carrier but not limiting the axial movement between the observation body and the carrier.
The observation body 2 comprises a second shell 21, a measuring probe 22 is arranged at the top of the second shell, a diversion cover 23 is arranged at the top of the second shell and on the outer side of the measuring probe, a nut 33 is arranged at the bottom of the second shell 21, a floating body 24 is arranged on the outer side of the second shell, a pressure-resistant cabin 25 is arranged in the second shell, a data acquisition module, a second wireless communication module and a second GPS positioning module are arranged in the pressure-resistant cabin, and the measuring probe is connected with the data acquisition module.
As a further design of the present invention, the limiting structure includes a limiting protrusion 41 and a limiting groove matched with the limiting protrusion, the limiting protrusion 41 is disposed on the second housing 21, the limiting groove is disposed on the first housing 11, and after the nut 33 is screwed into the nut sleeve 34, the limiting protrusion 41 is vertically clamped into the limiting groove.
Or the limiting structure comprises a first limiting groove, a second limiting groove and a vertical inserting rod, the first limiting groove is arranged on the first shell, the second limiting groove is arranged on the second shell, after the nut is screwed into the nut sleeve, the first limiting groove and the second limiting groove are opposite up and down, and the vertical inserting rod is inserted into the first limiting groove and the second limiting groove.
The first housing 11 and the second housing 21 are both of streamlined design.
The above-mentioned measuring probes include probes for measuring turbulence, warm salt depths and ocean currents.
A split type ocean boundary layer observation method adopts the device, and comprises the following steps:
(1) the carrier is adjusted to negative buoyancy through the buoyancy driving mechanism, the observation body is carried to submerge to reach the position below the ocean boundary layer and the mixing layer, and the submerging depth of the carrier is measured in real time through the pressure sensor in the submerging process.
(2) When the carrier submerges to reach a preset depth, the controller controls the motor to release the observation body, and the specific process is as follows: the controller gives a motor signal, the motor is controlled to rotate anticlockwise, the nut sleeve rotates anticlockwise along with the motor when the rotating shaft of the motor drives the inner ring to rotate anticlockwise, the observation body and the carrier cannot rotate relatively due to acting force of the limiting structure, therefore, the nut sleeve is gradually separated from the nut in the rotating process, and the observation body is separated from the carrier after the nut is separated from the nut sleeve.
(3) The observation body is set to be positive buoyancy, quickly floats upwards under the action of the buoyancy, measures the data of turbulence, thermohaline depth and ocean current of the ocean boundary layer through the measuring probe when passing through the ocean boundary layer, observes the sea condition of the boundary layer, and transmits the data detected by the measuring probe to the data acquisition module for storage; when the observation body floats to the sea surface, the second wireless communication module and the second GPS positioning module are used for sending position data to recover the observation body.
(4) After the carrier releases the observation body, the carrier is adjusted to be positive buoyancy through the buoyancy driving mechanism, the carrier floats upwards, and after the carrier floats to the sea surface, the carrier is recovered by sending position data through the first wireless communication module and the first GPS positioning module.
In the above steps, during the floating process of the observation body, the measuring probe is protected by the guide sleeve, and the guide sleeve also plays a role in guiding the flow.
The invention relates to a split type ocean boundary layer observation device and a method, which mainly have the following innovation points in three aspects:
1. the invention adopts split type observation equipment, during measurement, a carrier carries the measurement equipment to submerge below a boundary layer, an observation body is released through a release device, the observation body carries turbulent flow, ocean current, a thermohaline depth sensor and the like, and the observation body quickly floats upwards to pass through the boundary layer.
2. The observation body adopts a bottom-up measurement mode, the observation body is small in size, and under the action of the same buoyancy, the thinner the equipment, the smaller the volume, the smaller the water resistance to the equipment, so that the observation body can quickly cross a boundary layer and quickly enter a complex sea area from a stable sea area, and the measurement mode can reduce the influence of the last time measurement on the later measurement and reduce the measurement error.
3. The repeated utilization rate of the mode of quickly throwing the load is low, the carrier adopts a buoyancy driving mode to submerge and float, the design is that in order to reduce the size of the observation equipment, the buoyancy driving device is placed at the bottom end of the carrier, and the carrier can submerge vertically through heavy buoyancy adjustment.
The invention is described in more detail below:
the invention is used for solving the problem of observing the ocean boundary layer, an observing body is carried by a carrier to reach the position below the ocean boundary layer and a mixing layer, a system is stable by adjusting a buoyancy driving mechanism, a motor is controlled by the carrier to release the observing body, a nut sleeve is connected with the upper part of an inner ring of a release ring, a motor shaft is connected with the lower part of the inner ring of the release ring, an outer ring of the release ring is connected with a motor fixing frame, when the motor drives the inner ring of the release ring to rotate anticlockwise, the nut sleeve rotates anticlockwise along with the inner ring, the observing body cannot rotate together due to the acting force of a limiting structure, and thus the observing body is separated from the carrier. The observation body is set to positive buoyancy, floats up fast under the buoyancy effect, observes boundary layer sea state, and the kuppe is used for protecting observation probe on the observation body, and the ring reaches minimum to rivers influence on the kuppe to also play a water conservancy diversion effect, observation body measuring probe is including the probe that is used for measuring torrent, warm salt depth and ocean current. The data acquisition module is placed in the observation body pressure-resistant cabin, and the observation body pressure-resistant cabin further comprises a GPS positioning module and a wireless communication module which are used for recycling. The carrier is including the pressure sensor who is used for measuring the sea depth, and inside withstand voltage cabin includes wireless communication and GPS orientation module to there is the motor that is used for control to release the ring, all place the buoyancy actuating mechanism that occupies the volume ratio great in the carrier and reduce the observation body volume greatly like this, adjust through buoyancy actuating mechanism, buoyancy drive carrier dive process is negative buoyancy, upward floats the recovery in-process and is positive buoyancy.
The buoyancy driving mechanism is located at the bottom of the carrier, the limiting structure comprises a limiting protrusion and a limiting groove, the limiting protrusion and the limiting groove are matched together to prevent the observation body from rotating along with the motor, the buoyancy driving mechanism is designed to have a stable initial state when the observation body is released, the buoyancy driving mechanism is located at the bottom of the buoyancy driving mechanism and greatly reduces the volume of the carrier, and the buoyancy driving mechanism inevitably needs to lengthen equipment at the bottom to pull down the gravity center because the observation body and the carrier connecting part need to have a releasing mechanism.
The observing body is connected with the carrier through the release ring, the carrier releases the observing body through the control release ring, the buoyancy material of the observing body is wrapped on the shell at the top of the observing body, so that the floating center can be lifted, the measuring probe is arranged at the top of the observing body, so that ocean data can be measured at the first time in the floating process, and the flow guide cover is arranged at the topmost end of the observing body, plays a role in protecting the measuring probe and plays a role in drainage.
When the device works, the observation body is carried by the carrier to reach the position below the junction of the boundary layer and the mixing layer, after the carrier is stable, the central control system in the carrier controls the motor to release the observation body through the release ring, and the observation body is positively buoyant and has small volume and small water resistance to rapidly penetrate through the boundary layer, the buoyancy driving mechanism of the carrier adjusts the heavy buoyancy to keep the carrier at the current horizontal plane, after the observation device penetrates through the boundary layer, the buoyancy driving mechanism adjusts the buoyancy to be positive to float the carrier, and the device is recovered through the GPS positioning module and the wireless communication module in the carrier and the observation body.
Parts not described in the above modes can be realized by adopting or referring to the prior art.
It is intended that any equivalents, or obvious variations, which may be made by those skilled in the art in light of the teachings herein, be considered within the scope of the present invention.

Claims (7)

1. The utility model provides a split type ocean boundary layer observation equipment which characterized in that: comprises a carrier and an observation body, wherein the observation body and the carrier adopt a separable connection mode;
the carrier comprises a first shell, a buoyancy driving mechanism for controlling the carrier to float upwards or submerge downwards is arranged at the bottom end of the first shell, a pressure sensor for measuring the sea depth is further arranged on the first shell, a first pressure-resistant cabin is arranged inside the first shell, a controller, a first wireless communication module and a first GPS positioning module are arranged in the first pressure-resistant cabin, and a release device for controlling the observation body to be connected with or separated from the carrier is arranged at the top end of the first shell;
the releasing device comprises a motor, a releasing ring, a nut and a nut sleeve, the releasing ring comprises an outer ring and an inner ring which can freely rotate mutually, the motor is fixed on a motor support, the outer ring is fixedly connected with the motor support, a rotating shaft of the motor is connected with the lower part of the inner ring, the upper part of the inner ring is connected with the nut sleeve, an inner thread groove matched with the external thread of the nut is arranged on the inner side of the nut sleeve, the nut is screwed into the nut sleeve, and the nut is fixed at the bottom end of the observation body;
the pressure sensor and the motor are both connected with the controller;
a limiting structure used for limiting the relative rotation between the observation body and the carrier but not limiting the axial movement between the observation body and the carrier is also arranged between the observation body and the carrier;
the observation body comprises a second shell, a measuring probe is arranged at the top of the second shell, a flow guide cover is arranged at the top of the second shell and on the outer side of the measuring probe, a nut is arranged at the bottom of the second shell, a floating body is arranged on the outer side of the second shell, a pressure-resistant cabin is arranged in the second shell, a data acquisition module, a second wireless communication module and a second GPS positioning module are arranged in the pressure-resistant cabin, and the measuring probe is connected with the data acquisition module.
2. The split marine boundary layer observation device of claim 1, wherein: the limiting structure comprises a limiting bulge and a limiting groove matched with the limiting bulge, the limiting bulge is arranged on the second shell, the limiting groove is arranged on the first shell, and after the nut is screwed into the nut sleeve, the limiting bulge is vertically clamped into the limiting groove; or the limiting structure comprises a first limiting groove, a second limiting groove and a vertical inserting rod, the first limiting groove is arranged on the first shell, the second limiting groove is arranged on the second shell, after the nut is screwed into the nut sleeve, the first limiting groove and the second limiting groove are opposite up and down, and the vertical inserting rod is inserted into the first limiting groove and the second limiting groove.
3. The split marine boundary layer observation device of claim 1, wherein: balls are disposed between the outer ring and the inner ring of the release ring.
4. The split marine boundary layer observation device of claim 1, wherein: the first shell and the second shell are both in streamline design.
5. The split marine boundary layer observation device of claim 1, wherein: the measurement probes include probes for measuring turbulence, warm salt depth and ocean currents.
6. A split type marine boundary layer observation method, using the apparatus according to any one of claims 1 to 5, characterized by comprising the steps of:
(1) the carrier is adjusted to negative buoyancy through a buoyancy driving mechanism, carries an observation body to submerge to reach the position below the ocean boundary layer and the mixing layer, and measures the submerging depth of the carrier in real time through a pressure sensor in the submerging process;
(2) when the carrier submerges to reach a preset depth, the controller controls the motor to release the observation body, and the specific process is as follows: the controller gives a signal to the motor to control the motor to rotate anticlockwise, the nut sleeve rotates anticlockwise along with the motor when the rotating shaft of the motor drives the inner ring to rotate anticlockwise, the observation body and the carrier cannot rotate relatively due to the acting force of the limiting structure, so that the nut sleeve is gradually separated from the nut in the rotating process, and the observation body is separated from the carrier after the nut is separated from the nut sleeve;
(3) the observation body is set to be positive buoyancy, quickly floats upwards under the action of the buoyancy, measures the data of turbulence, thermohaline depth and ocean current of the ocean boundary layer through the measuring probe when passing through the ocean boundary layer, observes the sea condition of the boundary layer, and transmits the data detected by the measuring probe to the data acquisition module for storage; when the observation body floats to the sea surface, the second wireless communication module and the second GPS positioning module send position data to recover the observation body;
(4) after the carrier releases the observation body, the carrier is adjusted to be positive buoyancy through the buoyancy driving mechanism, the carrier floats upwards, and after the carrier floats to the sea surface, the carrier is recovered by sending position data through the first wireless communication module and the first GPS positioning module.
7. The method of observing a split type marine boundary layer of claim 6, wherein: in the floating process of the observation body, the measuring probe is protected by the guide sleeve, and the guide sleeve also plays a role in guiding the flow.
CN201910084218.2A 2019-01-29 2019-01-29 Split type ocean boundary layer observation equipment and method Active CN109827551B (en)

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PCT/CN2019/079975 WO2020155349A1 (en) 2019-01-29 2019-03-28 Split-type observation apparatus for marine boundary layer, and method

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