CN115755203B - Near-bottom detection device and detection method for high-precision ocean magnetic force - Google Patents

Near-bottom detection device and detection method for high-precision ocean magnetic force Download PDF

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CN115755203B
CN115755203B CN202310093209.6A CN202310093209A CN115755203B CN 115755203 B CN115755203 B CN 115755203B CN 202310093209 A CN202310093209 A CN 202310093209A CN 115755203 B CN115755203 B CN 115755203B
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column
assembly
precision
sleeve
magnetic force
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CN115755203A (en
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吴招才
韩喜球
吴自银
王叶剑
邱中炎
唐勇
赵荻能
许明炬
李�赫
张家岭
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Second Institute of Oceanography MNR
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Second Institute of Oceanography MNR
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    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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Abstract

The invention discloses a near-bottom detection device and a detection method of high-precision ocean magnetic force, which belong to the field of ocean geomagnetic detection, wherein the device comprises a detection assembly and a spherical cabin body, the detection assembly is arranged in the spherical protection cabin body, two opposite sides of the spherical cabin body are symmetrically and alternately connected with first base plates, the bottoms of the first base plates are connected with a displacement assembly, a plurality of first driving parts are arranged on the opposite sides of the two first base plates, and the bottoms of the two first base plates are connected through a plurality of connecting rods; the anti-collision assembly is respectively arranged on two sides of the first substrate and comprises an anti-collision light column, a sliding column sleeve is arranged on the outer side of the anti-collision light column in a sliding manner, floating column sleeves are respectively arranged on the upper portion and the lower portion of the sliding column sleeve, the floating column sleeves are connected with the sliding column sleeves through spring pieces, and a plurality of floating bodies are arranged outside the floating column sleeves in a surrounding manner; the sliding column sleeve is externally and circumferentially provided with a plurality of first guide plates. The invention provides a near-bottom detection device and a detection method for high-precision ocean magnetic force, which have the advantages of high precision, anti-blocking performance, strong adjustment capability, high deployment precision and high deployment speed.

Description

Near-bottom detection device and detection method for high-precision ocean magnetic force
Technical Field
The invention belongs to the field of ocean geomagnetic detection, and particularly relates to a near-bottom detection device and a detection method of high-precision ocean magnetic force.
Background
The statements in this section merely provide background information related to the present disclosure and may not constitute prior art.
Establishment of a geomagnetic three-component measurement technology based on a mobile carrier promotes upgrading of the ocean geomagnetic measurement technology in China, updates the ocean geomagnetic field basic result data from a total field to components and tensors, and drives processing explanation of geomagnetic data to achieve improvement from the total field abnormality to the component abnormality and gradient tensors.
The geomagnetic total field and anomalies cannot distinguish between the magnetization and remanence of the magnetic source body, and the magnetic anomalies in the direction perpendicular to the geomagnetic total field cannot be detected, and even in the region of the ocean near the equator, the phenomenon that the total field anomalies are weaker than a certain component of the magnetic field exists. The information of magnetic anomalies can be comprehensively displayed by collecting, processing and explaining geomagnetic three-component and gradient data, and the magnetism sensing and residual magnetism of the magnetic source body are separated so as to achieve accurate grasp of the structural information of the magnetic source body. Even if the profile measurement of a single or limited measuring line is carried out, the geomagnetic component can reliably distinguish finer information such as the trend, the boundary, the magnetization intensity and the like of the magnetic source body, and the defect that the traditional total field measurement needs large-area coverage can be overcome. The advantages of geomagnetic three-component measurement carried on an aviation aircraft or an offshore bottom carrier can be exerted, the advantages of geomagnetic three-component measurement can be exerted, the on-board geomagnetic three-component measurement relates to the attitude and the ship magnetism correction of a sensor, the research and development of the technology can improve the near bottom detection and autonomous navigation capability of the underwater carrier, and particularly the three-component detection and the resolution of the geomagnetic field and the ship magnetism are more beneficial to the construction of the sea and battlefield environment than the traditional total field measurement and the ship magnetism correction, and the submarine detection and concealment, demagnetization, navigation and mine layout and detonation technology development are promoted. However, the prior art has poor measurement progress, long deployment process time and low position accuracy.
The prior art is disclosed in publication No. US 10295699 B2, entitled "Marine magnetism detection method and device" invention. The invention provides a marine magnetism detection device and a detection method. The device comprises a measuring ship, an airborne laboratory magnetic measuring part arranged on the measuring ship, an aerostat shell and an aerostat magnetic measuring part arranged inside the aerostat shell. The aerostat shell is connected with the measuring ship through ropes and floats in the air. The aerostat magnetic measurement portion includes: the device comprises a magnetic sensor, an electronic magnetic data acquisition unit and an aerostat transmission unit; the vehicle-mounted laboratory magnetic measurement part comprises a data recording computer and a laboratory transmission unit. The marine magnetism detection apparatus and method of this invention is advantageously not limited by the working sea area and can also be operated with other on-board and off-board equipment. However, the invention has high weather requirements, can not measure the accurate area, and has long time for collecting and releasing the aerostat shell and a certain danger.
It should be noted that the foregoing description of the background art is only for the purpose of facilitating a clear and complete description of the technical solutions of the present application and for the convenience of understanding by those skilled in the art. The above-described solutions are not considered to be known to the person skilled in the art simply because they are set forth in the background section of the present application.
Disclosure of Invention
The invention aims to provide a near-bottom detection device and a detection method of high-precision ocean magnetic force, which can realize high precision, anti-jamming performance, strong adjustment capability, high deployment precision and high deployment speed.
The technical scheme adopted by the invention for achieving the purpose is as follows:
a high precision ocean magnetic near bottom detection device comprising:
a detection assembly;
the spherical cabin body is internally provided with a detection assembly, two opposite sides of the spherical cabin body are symmetrically and alternately connected with first base plates, the bottoms of the first base plates are connected with a displacement assembly, a plurality of first driving parts which are vertically arranged are arranged on the opposite sides of the two first base plates, and the bottoms of the two first base plates are connected through a connecting rod;
the anti-collision assembly is respectively arranged on two sides of the first substrate and comprises an anti-collision light column, a sliding column sleeve is arranged on the outer side of the anti-collision light column in a sliding manner, floating column sleeves are arranged on the upper portion and the lower portion of the sliding column sleeve, the floating column sleeves are sleeved on the anti-collision light column, the floating column sleeves are connected with the sliding column sleeves through spring pieces, and a plurality of floating bodies are arranged outside the floating column sleeves in a surrounding manner;
the sliding column sleeve is externally and circumferentially provided with a plurality of first guide plates.
By adopting the technical scheme, the detection group price is placed in the spherical cabin body, the spherical cabin body generally adopts hollow metal spheres or metal spherical grids, the quality of the whole device can be reduced by adopting the design, and meanwhile, the resistance of the spherical cabin body in a water body is reduced, so that the flexibility and the balance of the device are improved, the state of the whole device can be better adjusted in the sinking process, and the bottom contact of the whole device in a horizontal state is facilitated; in addition, the spherical cabin body has a good buffering effect, and when collision occurs, the spherical cabin body can disperse local impact force to the whole spherical cabin body, so that an internal detection component is protected, the influence of the impact force on the internal detection component is reduced, and the detection precision of the detection component is improved; in addition, the metal material can shield partial electromagnetic waves, prevent the electromagnetic waves from producing adverse effects on the detection assembly, and ensure the detection precision and the detection stability. The metal is generally aluminum alloy, the aluminum alloy has high strength, corrosion resistance and low density, and can provide high protection capability to prevent collision objects or aquatic organisms from affecting the detection assembly.
The two opposite sides of the spherical cabin body are symmetrically and alternately connected with the first base plate, the opposite sides of the first base plate are provided with a plurality of first driving parts which are vertically arranged, the first driving parts can apply a force in the vertical direction to the whole device, when the whole device is put into a water area to be measured or needs to float up to a transportation carrier to collect data after measurement, the first driving parts can provide power for the whole device to float up or float down, so that the time of the whole process is shortened, the precision of the whole device sinking down to the area to be measured or the precision of the whole device floating up to the transportation carrier can be improved, and the measurement efficiency of the whole device is improved; be provided with gravity sensor on the connecting rod, can survey the levelness of whole device through gravity sensor, when subside or come-up in-process whole device levelness change, can adjust whole device's levelness through a plurality of first drive assembly, not only can improve the efficiency of come-up and subsidence, can also guarantee to survey the subassembly and survey the precision simultaneously. And meanwhile, the bottom of the first substrate is connected with a displacement assembly, the displacement assembly is convenient for the whole device to move on the seabed, and the device is assisted to get rid of poverty through the displacement assembly when the device is clamped with submarine materials.
And the anti-collision components are respectively arranged on two sides of the first substrate, so that the anti-collision components are arranged around the spherical cabin body, the spherical cabin body can be well protected, the anti-collision effect of the whole device in the water displacement process is improved, the collision between the spherical cabin body and reef or the collision between the spherical cabin body and fish is avoided, the stability of the detection components in the spherical cabin body is further improved, and the detection stability and detection precision are improved. The anti-collision buffer is realized through the floating body, the first guide plates and the like which are arranged around the outer side of the floating column sleeve, and under the condition that collision with reefs and the like occurs, the collision force can be prevented or reduced from being transmitted to the spherical cabin direction of the inner side through the deformation of the plurality of first guide plates which are arranged around the outer side of the sliding column sleeve, and the probability of the equipment being blocked in the reefs can be reduced; the first guide plate can rotate and can be driven by the up-and-down floating column sleeve to form up-and-down displacement, so that the possibility of being blocked can be reduced, and under the collision condition, the collision diversion possibility is enlarged, and the collision damage is reduced. Meanwhile, the floating column sleeve and the plurality of floating bodies surrounding the floating column sleeve can provide partial buoyancy, the horizontality of the device can be ensured through the buoyancy, due to the buoyancy effect, the floating column sleeve is close to the upper part of the anti-collision column relative to the anti-collision column, the buoyancy providing part is relatively concentrated on the upper part of the anti-collision column, the overturning probability of the device in water can be reduced, or the shaking amplitude and the frequency are reduced, the stability of the detection assembly in geomagnetic measurement is further ensured, and the accuracy is improved.
Still further, the spherical cabin body top is provided with the camera, can observe the surrounding environment through the camera is artifical, when whole device is blocked by reef or other, can observe through the camera and make whole device break away from by manual operation to the risk that whole device was blocked has been reduced.
According to one embodiment of the invention, the outer sides of the first guide plates are connected with second guide plates through connecting pins, the second guide plates and the first guide plates form included angles, the second guide plates are provided with a plurality of partition plates in parallel, the partition plates are perpendicular to the second guide plates, and the partition plates are connected with the connecting pins.
Through the arrangement of the second guide plate, the second guide plate and the first guide plate can interact with each other to jointly rectify turbulent flow in water, so that the device is prevented from shaking too much in the moving process in water; the design of the first guide plate and the second guide plate is beneficial to driving the fluid around the first guide plate and the second guide plate to form certain rotary flow, for example, rotary water flow is used for influencing fish swimming, namely, driving fish, algae or other aquatic organisms around the device; and a certain rotational flow is formed around the device to reduce the flow speed of partial water flow passing through the spherical cabin body in the middle of the device, so that the stability of internal equipment is ensured, the shaking amplitude of the internal equipment in water is reduced, and the internal equipment is ensured to be in a relatively horizontal state. The second guide plate is arranged on the outer side of the first guide plate, so that the strength of the second guide plate can be improved through the arrangement of the partition plate, and the second guide plate is prevented from being damaged due to larger impact; in addition, the splitter plate can also improve the water conservancy diversion ability of second guide plate, improves the rectifying ability of anticollision subassembly, strengthens the rotatory rivers that first guide plate and second guide plate formed.
According to one embodiment of the invention, the sliding column sleeve is arranged in a hollow manner, a plurality of rubber rings are arranged at two ends in the sliding column sleeve side by side, a first spring is arranged in the middle of the sliding column sleeve, and the first spring abuts against the sliding column to sleeve the rubber rings at two ends;
the lateral sides of the two end parts of the sliding column sleeve are respectively provided with a splicing groove.
The setting of rubber ring can provide corresponding holding power for the post cover that slides to guarantee that the outside shape of post cover that slides is difficult for taking place to change, thereby simultaneously through first spring butt both ends rubber ring, thereby prevent that the rubber ring from sliding at will in the post cover that slides and change the focus position of whole device, improve whole device's stability, first spring can also further improve the external strength of post cover that slides. Meanwhile, the sliding column is sleeved with the inserting grooves arranged at the sides of the two ends and used for taking the rubber rings, the number of the rubber rings in the sliding column sleeve is controlled, the weight of the sliding column sleeve is controlled by controlling the number of the rubber rings, and then the effect of counterweight is achieved.
According to one embodiment of the invention, the plurality of connecting rods are arranged in an array manner between the two first substrates to form a structural bottom surface, and a plurality of horizontal adjusting assemblies are uniformly arranged on one side of the structural bottom surface, far away from the spherical cabin body;
the horizontal adjustment assembly comprises an installation box body, the top of the installation box body is connected with the bottom surface of the structure, the bottom of the installation box body is provided with a buffer sleeve body, the bottom of the buffer sleeve body is provided with a blind hole, a buffer block is sleeved in the buffer sleeve body in a sliding manner, the bottom of the buffer block is provided with an inflatable column, and the bottom of the inflatable column is provided with an auxiliary supporting rod;
the buffer block top is provided with the buffer rod, and the buffer rod runs through the buffer sleeve body top, is equipped with the second motor in the installation box body, and the gear is connected to the second motor output, and the buffer rod is provided with the rack with the gear opposite side correspondingly.
Because the detection assembly measures more accurately under the horizontality, and the whole device is unable to guarantee that the whole device is in the horizontality after touching the end, be provided with a plurality of horizontal adjustment subassemblies in structure bottom surface below, thereby realize that the whole device is in the horizontality in the measurement process through adjusting the lift of horizontal adjustment subassembly, improve whole device measurement accuracy. The gravity sensor can feed back and control the corresponding second motor to work through measuring levelness, so that the inflatable column is driven to move downwards to jack up the whole device to be in a horizontal state.
According to one embodiment of the invention, the inflatable column is sleeved with an auxiliary support, the auxiliary support comprises a second spring, and a plurality of flexible rod bodies are arranged around the second spring.
The inflatable column and the auxiliary support piece are adopted to realize flexible support, the device has water flow impact and shaking in water, shaking force is absorbed through the inflatable column and the auxiliary support piece at the bottom, stability is ensured, and interference detection such as suspension of sediment caused by the shaking force transferred to the seabed is reduced; meanwhile, the second spring is arranged in the inflatable column, the second spring can protect the exterior of the inflatable column, and meanwhile, the second spring can achieve the effect of improving the contact effect with seabed sediment, so that the stability of the inflatable column inserted in the sediment can be effectively improved, when the inflatable column is retracted, the second spring is elastic, compared with friction contact of the sediment around the inflatable column, the second spring is contracted and deformed, and the like, so that separation of the sediment on the surface of the inflatable column can be promoted, and the connection relation between the bottom of the device and the seabed can be quickly released; the strength of the inflatable column and the second spring can be further improved through the flexible rod bodies, the bearing capacity of the horizontal adjustment assembly is improved, meanwhile, the flexible plate bodies can evenly disperse water flow impact shaking to the whole second spring, and the local stress of the second spring is reduced.
According to one embodiment of the invention, the displacement assembly comprises a screw rod, and two ends of the screw rod are respectively connected with the bottom side of the first substrate through a first connecting rod and a second connecting rod;
one end of the screw rod is provided with a first motor, and the first motor is used for driving the screw rod to rotate.
The screw rod can disperse the gravity of the integral device when contacting the seabed sediment, so as to prevent the integral device from sinking into the sediment; the rotation of the screw rod is controlled through the first motor, so that the movement of the integral device on the seabed can be controlled, and the accuracy of the integral device to-be-measured area can be improved; meanwhile, when the whole device is blocked by reefs or other objects, the displacement assembly and the first driving piece move under the combined action, so that the device is prevented from being blocked or being unable to be separated.
According to one embodiment of the invention, the screw rod is hollow and provided with a compression balloon inside.
The screw rod is arranged in a hollow mode, so that the weight of the device can be further reduced, the cruising ability of the device is improved, the rotating speed of the first motor for driving the screw rod to rotate can be ensured, and the flexibility of the device in the movement of the seabed is improved; in addition, the compression gasbag can provide certain holding power to the hob, and the compression gasbag can also absorb certain impact force simultaneously, prevents the damage of external impact force to the hob, guarantees the stability of hob.
According to one embodiment of the invention, the detection assembly comprises a first column body which is vertically arranged, a first geomagnetic measurement assembly is arranged at the bottom end of the first column body in an extending mode, a plurality of second geomagnetic measurement assemblies are uniformly arranged around the first column body, the plurality of second geomagnetic measurement assemblies are connected with the first column body through a third connecting rod, one end of a fourth column body is arranged around the middle of the first column body in a surrounding mode, the fourth column body is correspondingly arranged with the third column body, and the other end of the fourth column body is connected with the middle of the third column body;
the first geomagnetic measurement assembly and the second geomagnetic measurement assembly are arranged on the same horizontal plane.
The first cylinder bottom extension is provided with first geomagnetic measurement assembly because to measuring and recording the geomagnetic total amount, and first cylinder encircles evenly and sets up a plurality of second geomagnetic measurement assembly and be used for measuring and recording the geomagnetic component, and the setting that the symmetry encircleed can reduce measuring error, through simultaneously measuring and recording geomagnetic total amount and geomagnetic component simultaneously, has realized total amount and component integration measurement technique promptly, in carrier near field complex environment, realizes the integration measurement of total field and component, and the total field measuring result is used for the correction of component, improves magnetic field measurement precision and correction effect. The first geomagnetic measurement assembly and the second geomagnetic measurement assembly are arranged on the same horizontal plane, and measurement accuracy is greatly improved.
According to one embodiment of the invention, the first geomagnetic measurement assembly comprises a measurement substrate, a concave through groove is formed in the upper end of the measurement substrate, a rotary ball is arranged in the concave through groove in a rotary fit mode, a first hanging rod is vertically connected below the rotary ball, a geomagnetic measurement device is arranged at the bottom of the first hanging rod, and a weight increasing assembly is arranged at the bottom side of the geomagnetic measurement device;
the second geomagnetic measurement component is identical to the first geomagnetic measurement component.
The first vertical rod is connected perpendicularly to the rotation ball below and first vertical rod one end is equipped with weight subassembly for first vertical rod can keep vertical state, and recess in-groove rotation cooperation is equipped with the rotation ball, and then guarantees that geomagnetic measurement device in second geomagnetic measurement subassembly and the first geomagnetic measurement subassembly is in same horizontal plane, keeps horizontal state to geomagnetic measurement subassembly that geomagnetic total amount was measured and the geomagnetic measurement subassembly that carries out measurement to geomagnetic component constantly promptly, has increased measuring accuracy.
The invention also provides a near-bottom detection method of the high-precision ocean magnetic force, which is used for being matched with the near-bottom detection device of the high-precision ocean magnetic force, and comprises the following steps of:
s1: the whole device is put into a water area to be measured from a transportation carrier;
s2: the whole device is regulated by the first driving part in the sinking process of the water area to be measured, so that the device is guaranteed to sink in a normal form, and is moved to different areas to be measured by the displacement assembly after being sunk to the water bottom, and is horizontally calibrated by the horizontal regulating assembly;
s3: geomagnetism is measured through the detection assembly;
s4: the whole device is moved up to the surface of the water by the first driving member and recovered by the transport carrier.
Drawings
FIG. 1 is a schematic perspective view of a high-precision ocean magnetic near-bottom detection device;
FIG. 2 is an overall schematic front view of a high-precision ocean magnetic force near-bottom detection device;
FIG. 3 is a schematic perspective view of a bumper assembly;
FIG. 4 is a schematic front view of a bumper assembly;
FIG. 5 is a schematic cross-sectional view of a slip column jacket;
FIG. 6 is a schematic cross-sectional view of a leveling assembly;
FIG. 7 is a schematic perspective view of an auxiliary support;
FIG. 8 is a schematic perspective view of a detection assembly;
fig. 9 is a schematic cross-sectional view of a first geomagnetic measurement assembly.
Reference numerals: the device comprises a detection assembly 100, a spherical cabin 101, a first column 110, a first geomagnetic measurement assembly 111, a second geomagnetic measurement assembly 112, a third connecting rod 113, a fourth column 114, a measurement base 120, a concave through groove 121, a rotary ball 122, a first hanging rod 123, a geomagnetic measurement device 124, a weighting assembly 125, a first base plate 200, a first driving piece 201, a connecting rod 202, a horizontal adjustment assembly 210, a mounting box 220, a second motor 221, a gear 222, a buffer sleeve 230, a buffer block 231, an inflation column 232, an auxiliary supporting rod 233, a buffer rod 234, an auxiliary supporting piece 240, a second spring 241, a flexible rod 242, an anti-collision assembly 300, an anti-collision light column 301, a sliding column sleeve 310, a rubber ring 311, a first spring 312, a plug groove 313, a floating column sleeve 320, a spring piece 321, a floating body 322, a first guide plate 330, a connecting pin 331, a second guide plate 332, a partition plate 333, a displacement assembly 400, a first connecting rod 401, a second connecting rod 402, and a spiral rod 410.
Detailed Description
The technical scheme of the invention is further described in detail below with reference to the specific embodiments and the attached drawings:
example 1:
as shown in fig. 1 and 2, the technical scheme adopted by the invention for achieving the purpose is as follows:
a high precision ocean magnetic near bottom detection device comprising:
a detection assembly 100;
the spherical cabin body 101, the detection assembly 100 is arranged in the spherical cabin body 101, the first base plates 200 are symmetrically connected to the two opposite sides of the spherical cabin body 101 at intervals, the displacement assembly 400 is connected to the bottoms of the first base plates 200, a plurality of first driving pieces 201 which are vertically arranged are arranged on the opposite sides of the two first base plates 200, and the bottoms of the two first base plates 200 are connected through the connecting rod 202;
the anti-collision assembly 300 is respectively arranged on two sides of the first substrate 200, the anti-collision assembly 300 comprises an anti-collision light column 301, a sliding column sleeve 310 is slidably arranged on the outer side of the anti-collision light column 301, floating column sleeves 320 are respectively arranged on the upper side and the lower side of the sliding column sleeve 310, the floating column sleeves 320 are sleeved on the anti-collision light column 301, the floating column sleeves 320 are connected with the sliding column sleeve 310 through spring pieces 321, and a plurality of floating bodies 322 are wound on the outer ring of the floating column sleeves 320;
the sliding column sleeve 310 is provided with a plurality of first deflectors 330 around the outer circumference.
By adopting the technical scheme, the detection group price is placed in the spherical cabin body 101, the spherical cabin body 101 generally adopts hollow metal spheres or metal spherical grids, the quality of the whole device can be reduced by adopting the design, and meanwhile, the resistance of the spherical cabin body 101 in a water body is reduced, so that the flexibility and the balance of the device are improved, the state of the whole device can be better adjusted in the sinking process, and the bottom touching of the whole device in a horizontal state is facilitated; in addition, the spherical cabin body 101 has a good buffering effect, when collision occurs, the spherical cabin body 101 can disperse local impact force to the whole spherical cabin body 101, so that the internal detection assembly 100 is protected, the influence of the impact force on the internal detection assembly 100 is reduced, and the detection precision of the detection assembly 100 is improved; in addition, the metal material can shield part of electromagnetic waves, prevent the electromagnetic waves from adversely affecting the detection assembly 100, and ensure the detection precision and the detection stability. The metal is typically an aluminum alloy, which has high strength, corrosion resistance, and low density, and provides high protection against impact of collisions or aquatic organisms on the detection assembly 100.
The first base plates 200 are symmetrically connected to two opposite sides of the spherical cabin body 101 at intervals, a plurality of first driving members 201 which are vertically arranged are arranged on the opposite sides of the first base plates 200, the first driving members can apply a force in the vertical direction to the whole device, when the whole device is thrown into a water area to be measured or needs to float up to a transport carrier to collect data after measurement, the first driving members 201 can provide power for the whole device to float up or float down, so that the time of the whole process is shortened, the precision of sinking down to a region to be measured or the precision of floating up to the transport carrier of the whole device can be improved, and the measurement efficiency of the whole device is improved; the gravity sensor is arranged on the connecting rod 202, the levelness of the whole device can be measured through the gravity sensor, when the levelness of the whole device is changed in the sedimentation or floating process, the levelness of the whole device can be adjusted through the plurality of first driving components, the floating and sedimentation efficiency can be improved, and meanwhile, the detection precision of the detection component 100 can be ensured. Meanwhile, the bottom of the first base plate 200 is connected with the displacement assembly 400, the displacement assembly 400 facilitates the movement of the whole device on the seabed, and the device is assisted to get rid of the trapping state by the displacement assembly 400 when the device is blocked with seabed materials.
The anti-collision assemblies 300 are respectively arranged on two sides of the first substrate 200, and then the anti-collision assemblies 300 are arranged around the spherical cabin body 101, so that the spherical cabin body 101 can be well protected, the anti-collision effect of the whole device in the water displacement process is improved, the collision between the spherical cabin body 101 and reef or the collision between fish is avoided, the stability of the detection assembly 100 in the spherical cabin body 101 is further improved, and the detection stability and detection precision are improved. The anti-collision buffer is realized through the floating body 322, the first guide plates 330 and the like which are arranged around the outer side of the floating column sleeve 320, and under the condition that collision with reefs and the like occurs, the deformation of the plurality of first guide plates 330 which are arranged around the outer side of the sliding column sleeve 310 can be used for avoiding or reducing the transmission of collision force to the spherical cabin direction of the inner side, and the probability of the equipment blocking in the reefs can be reduced; the first guide plate 330 can rotate and can be driven by the up-and-down floating column sleeve 320 to form up-and-down displacement, so that the possibility of being blocked can be reduced, and in the case of collision, the possibility of collision turning is enlarged, and collision damage is reduced. Meanwhile, the floating column sleeve 320 and the plurality of floating bodies 322 surrounding the floating column sleeve can provide partial buoyancy, the horizontality of the device can be ensured through the buoyancy, due to the buoyancy effect, the floating column sleeve 320 is close to the upper part of the anti-collision light column 301 relative to the anti-collision light column 301, so that the buoyancy providing parts are relatively concentrated on the upper part of the anti-collision light column 301, the overturning probability of the device in water can be reduced, or the shaking amplitude and frequency are reduced, the stability of the detection assembly 100 in geomagnetic measurement is further ensured, and the accuracy is improved.
Still further, the top of the spherical cabin body 101 is provided with a camera, and the surrounding environment can be observed manually through the camera, so that when the whole device is blocked by reef or other things, the whole device can be separated through the camera for observation and manual operation, and the risk of the whole device being blocked is reduced.
As shown in fig. 1, 2, 3 and 4, the outer sides of the first guide plates 330 are connected with second guide plates 332 through connecting pins 331, the second guide plates 332 have included angles with the first guide plates 330, a plurality of partition plates 333 are arranged on the second guide plates 332 in parallel, the partition plates 333 are perpendicular to the second guide plates 332, and the partition plates 333 are connected with the connecting pins 331.
By arranging the second guide plate 332, the second guide plate 332 and the first guide plate 330 can interact with each other to jointly rectify turbulent flow in water, so that the excessive shaking amplitude of the device in the moving process of the device in water is avoided; and the design of the first deflector 330 and the second deflector 332 helps to drive the fluid around them to form a certain rotational flow, such as a rotational water flow, to influence fish swimming, i.e. to repel fish, algae or other aquatic organisms around the device; and a certain rotational flow is formed around the device to reduce the flow rate of partial water flow passing through the spherical cabin body 101 in the middle of the device, so that the stability of internal equipment is ensured, the shaking amplitude of the internal equipment in water is reduced, and the internal equipment is ensured to be in a relatively horizontal state. Since the second baffle 332 is disposed outside the first baffle 330, the strength of the second baffle 332 can be improved by disposing the partition plate 333, so as to prevent the second baffle 332 from being damaged due to larger impact; in addition, the partition plate 333 may further improve the flow guiding capability of the second flow guiding plate 332, improve the flow rectifying capability of the anti-collision assembly 300, and enhance the rotational water flow formed by the first flow guiding plate 330 and the second flow guiding plate 332.
As shown in fig. 5, the sliding column sleeve 310 is hollow, two ends in the sliding column sleeve 310 are respectively provided with a plurality of rubber rings 311 arranged side by side, a first spring 312 is arranged in the middle of the sliding column sleeve 310, and the first spring 312 abuts against the rubber rings 311 at the two ends of the sliding column sleeve 310;
the sides of the two end parts of the sliding column sleeve 310 are respectively provided with a splicing groove 313.
The setting of rubber ring 311 can provide corresponding holding power for the post cover 310 that slides to guarantee that the outside shape of post cover 310 that slides is difficult for taking place to change, thereby prevent that rubber ring 311 from sliding at will in post cover 310 that slides at the center of gravity position of whole device through first spring 312 butt both ends rubber ring 311 simultaneously, improve whole device's stability, first spring 312 can also further improve the outside intensity of post cover 310 that slides. Meanwhile, the sliding column sleeve 310 is used for taking the rubber rings 311 by the inserting grooves 313 arranged at the sides of the two ends, the number of the rubber rings 311 in the sliding column sleeve 310 is controlled, the weight of the sliding column sleeve 310 is controlled by controlling the number of the rubber rings 311, and then the effect of counterweight is achieved.
As shown in fig. 1, 2 and 6, the plurality of connecting rods 202 are arranged in an array manner between the two first substrates 200 to form a bottom surface of the structure, and a plurality of horizontal adjustment assemblies 210 are uniformly arranged on one side of the bottom surface of the structure, which is far away from the spherical cabin 101;
the horizontal adjustment assembly 210 comprises an installation box body 220, wherein the top of the installation box body 220 is connected with the bottom surface of the structure, the bottom of the installation box body 220 is provided with a buffer sleeve body 230, the bottom of the buffer sleeve body 230 is provided with a blind hole, a buffer block 231 is sleeved in the buffer sleeve body 230 in a sliding manner, the bottom of the buffer block 231 is provided with an inflation column 232, and the bottom of the inflation column 232 is provided with an auxiliary supporting rod 233;
the buffer rod 234 is provided with at buffer block 231 top, and buffer rod 234 runs through buffer sleeve body 230 top, is equipped with second motor 221 in the installation box body 220, and gear 222 is connected to second motor 221 output, and buffer rod 234 is provided with the rack with the opposite side of gear 222 is corresponding.
Because the detection assembly 100 measures more accurately in the horizontal state, and the whole device cannot be guaranteed to be in the horizontal state after bottoming, a plurality of horizontal adjustment assemblies 210 are arranged below the bottom surface of the structure, and the whole device is in the horizontal state in the measuring process by adjusting the lifting of the horizontal adjustment assemblies 210, so that the measuring precision of the whole device is improved. The gravity sensor can feed back and control the corresponding second motor 221 to work through measuring the levelness, so as to drive the inflatable column to move downwards and jack up the whole device to reach a horizontal state.
As shown in fig. 6 and 7, the inflatable column 232 is sleeved with an auxiliary support member 240, the auxiliary support member 240 includes a second spring 241, and a plurality of flexible rod bodies 242 are circumferentially arranged around the second spring 241.
The inflatable columns and the auxiliary supporting pieces 240 are adopted to realize flexible supporting, water flow impact shaking exists in the device, shaking force is absorbed through the inflatable columns and the auxiliary supporting pieces 240 at the bottom, stability is ensured, and interference detection such as suspension of sediment caused by the shaking force transferred to the seabed is reduced; meanwhile, the second spring 241 is arranged in the inflatable column, the second spring 241 can protect the exterior of the inflatable column, meanwhile, the second spring 241 can achieve the effect of improving the contact effect with the seabed sediment, so that the stability of the inflatable column inserted in the sediment can be effectively improved, when the inflatable column is retracted, the second spring 241 is elastic, compared with the friction contact of the sediment around the inflatable column, in the process of pulling out the inflatable column, the second spring 241 is contracted and deformed, and the like, so that separation of the sediment on the surface of the inflatable column can be promoted, and the connection relation between the bottom of the device and the seabed can be quickly released; the strength of the inflatable column and the second spring 241 can be further improved through the plurality of flexible rod bodies 242, the bearing capacity of the horizontal adjustment assembly is improved, meanwhile, the flexible plate body can evenly disperse water flow impact shaking on the whole second spring 241, and the local stress of the second spring 241 is reduced.
As shown in fig. 1 and 2, the displacement assembly 400 includes a screw rod 410, and two ends of the screw rod 410 are connected to the bottom side of the first substrate 200 through a first link 401 and a second link 402, respectively;
one end of the screw 410 is provided with a first motor for driving the screw 410 to rotate.
The screw 410 may disperse the weight of the whole device when contacting the seabed sediment, preventing the whole device from sinking into the sediment; the rotation of the screw 410 is controlled by the first motor, so that the movement of the whole device on the seabed can be controlled, and the accuracy of the whole device to-be-measured area can be ensured; meanwhile, when the whole device is blocked by reefs or other objects, the displacement assembly 400 and the first driving piece 201 move under the combined action, so that the device is prevented from being blocked or being unable to be separated.
The screw 410 is hollow, and a compression balloon is provided in the screw 410.
The screw rod is arranged in a hollow mode, so that the weight of the device can be further reduced, the cruising ability of the device is improved, the rotating speed of the first motor for driving the screw rod 410 to rotate can be ensured, and the flexibility of the device in the movement of the seabed is improved; in addition, the compression airbag can provide a certain supporting force for the screw rod 410, and at the same time, the compression airbag can absorb a certain impact force, so that the screw rod 410 is prevented from being damaged by external impact force, and the stability of the screw rod 410 is ensured.
As shown in fig. 1, 2 and 8, the detecting assembly 100 includes a first column 110 vertically arranged, a first geomagnetic measurement assembly 111 extends from the bottom end of the first column 110, a plurality of second geomagnetic measurement assemblies 112 are uniformly arranged around the first column 110, the plurality of second geomagnetic measurement assemblies 112 are connected with the first column 110 through a third connecting rod 113, one end of a fourth column 114 is arranged around the middle of the first column 110, the fourth column 114 is correspondingly arranged with the third connecting rod 113, and the other end of the fourth column 114 is connected with the middle of the third connecting rod 113;
the first geomagnetic measurement component 111 and the second geomagnetic measurement component 112 are disposed at the same horizontal plane.
The first cylinder 110 bottom extension is provided with first geomagnetic measurement component 111 because to measuring and the record of geomagnetic total amount, first cylinder 110 encircles and evenly sets up a plurality of second geomagnetic measurement components 112 and is used for measuring and the record to geomagnetic component, and the setting that the symmetry encircleed can reduce measuring error, through simultaneously measuring and the record to geomagnetic total amount and geomagnetic component simultaneously, has realized total amount and component integration measurement technique promptly, in carrier near field complex environment, realizes total field and component's integration measurement, and total field measurement result is used for the correction of component, improves magnetic field measurement precision and correction effect. The first geomagnetic measurement component 111 and the second geomagnetic measurement component 112 are arranged on the same horizontal plane, and measurement accuracy is greatly improved.
As shown in fig. 9, the first geomagnetic measurement assembly 111 comprises a measurement base 120, a concave through groove 121 is formed in the upper end of the measurement base 120, a rotary ball 122 is rotatably matched in the concave through groove 121, a first hanging rod 123 is vertically connected below the rotary ball 122, a geomagnetic measurement device 124 is arranged at the bottom of the first hanging rod 123, and a weighting assembly 125 is arranged at the bottom side of the geomagnetic measurement device 124;
the second geomagnetic measurement component 112 is identical to the first geomagnetic measurement component 111.
The first vertical pole 123 is connected perpendicularly to the rotation ball 122 below and first vertical pole 123 one end is equipped with weight subassembly 125 for first vertical pole 123 can keep vertical state, and recess 121 internal rotation cooperation is equipped with rotation ball 122, and then guarantees that geomagnetic measurement device 124 in second geomagnetic measurement subassembly 112 and the first geomagnetic measurement subassembly 111 is in same horizontal plane, keeps the horizontality to geomagnetic measurement subassembly that geomagnetic total amount measured and the geomagnetic measurement subassembly that carries out the measurement to geomagnetic component constantly, has increased measuring accuracy.
The invention also provides a near-bottom detection method of the high-precision ocean magnetic force, which is used for being matched with the near-bottom detection device of the high-precision ocean magnetic force, and comprises the following steps of:
s1: the whole device is put into a water area to be measured from a transportation carrier;
s2: the whole device is regulated by the first driving part 201 in the sinking process of the water area to be measured, so that the device is guaranteed to be sunk in a normal form, and is moved to different areas to be measured by the displacement assembly 400 after being sunk to the water bottom, and is horizontally calibrated by the horizontal regulating assembly 210;
s3: geomagnetism is measured by the detection assembly 100;
s4: the whole device is moved up to the surface of the water by the first drive 201 and recovered by transporting the carrier.
While the foregoing embodiments have been described in detail in connection with the embodiments of the invention, it should be understood that the foregoing embodiments are merely illustrative of the invention and are not intended to limit the invention, and any modifications, additions, substitutions and the like made within the principles of the invention are intended to be included within the scope of the invention.

Claims (8)

1. A high precision ocean magnetic near bottom detection device comprising:
a detection assembly (100);
the spherical cabin body (101), a detection assembly (100) is arranged in the spherical cabin body (101), first base plates (200) are symmetrically connected to two opposite sides of the spherical cabin body (101) at intervals, displacement assemblies (400) are connected to the bottoms of the first base plates (200), a plurality of first driving pieces (201) which are vertically arranged are arranged on two opposite sides of the first base plates (200), and the bottoms of the two first base plates (200) are connected through connecting rods (202);
the anti-collision device is characterized in that anti-collision assemblies (300) are respectively arranged on two sides of the first substrate (200), each anti-collision assembly (300) comprises an anti-collision light column (301), a sliding column sleeve (310) is arranged on the outer side of each anti-collision light column (301) in a sliding mode, floating column sleeves (320) are arranged on the upper portion and the lower portion of each sliding column sleeve (310), the floating column sleeves (320) are sleeved on the anti-collision light column (301), the floating column sleeves (320) are connected with the sliding column sleeves (310) through spring pieces (321), and a plurality of floating bodies (322) are arranged on the outer periphery of the floating column sleeves (320) in a surrounding mode;
the sliding column sleeve (310) is externally and circumferentially provided with a plurality of first guide plates (330);
the outer sides of the first guide plates (330) are connected with second guide plates (332) through connecting pins (331), the second guide plates (332) and the first guide plates (330) form included angles, a plurality of partition plates (333) are arranged on the second guide plates (332) in parallel, the partition plates (333) are perpendicular to the second guide plates (332), and the partition plates (333) are connected with the connecting pins (331);
the sliding column sleeve (310) is arranged in a hollow mode, a plurality of rubber rings (311) which are arranged side by side are arranged at the two ends in the sliding column sleeve (310), a first spring (312) is arranged in the middle of the sliding column sleeve (310), and the first spring (312) abuts against the rubber rings (311) at the two ends of the sliding column sleeve (310);
and inserting grooves (313) are formed in the lateral sides of the two end parts of the sliding column sleeve (310).
2. The high-precision ocean magnetic force near-bottom detection device according to claim 1, wherein a plurality of connecting rods (202) are arranged in an array manner between two first base plates (200) to form a structural bottom surface, and a plurality of horizontal adjustment assemblies (210) are uniformly arranged on one side of the structural bottom surface away from the spherical cabin body (101);
the horizontal adjustment assembly (210) comprises an installation box body (220), the top of the installation box body (220) is connected with the bottom surface of the structure, a buffer sleeve body (230) is arranged at the bottom of the installation box body (220), a blind hole is formed in the bottom of the buffer sleeve body (230), a buffer block (231) is sleeved in the buffer sleeve body (230) in a sliding mode, an inflatable column (232) is arranged at the bottom of the buffer block (231), and an auxiliary supporting rod (233) is arranged at the bottom of the inflatable column (232);
buffer rod (234) are arranged at the top of buffer block (231), buffer rod (234) runs through buffer sleeve body (230) top, be equipped with second motor (221) in installation box body (220), gear (222) are connected to second motor (221) output, buffer rod (234) are provided with the rack with gear (222) opposite side is corresponding.
3. The near-bottom detection device of the high-precision ocean magnetic force according to claim 2, wherein an auxiliary support (240) is sleeved outside the inflatable column (232), the auxiliary support (240) comprises a second spring (241), and a plurality of flexible rod bodies (242) are circumferentially arranged around the second spring (241).
4. The near-bottom detection device of high-precision ocean magnetic force according to claim 1, wherein the displacement assembly (400) comprises a screw rod (410), and two ends of the screw rod (410) are respectively connected with the bottom side of the first substrate (200) through a first connecting rod (401) and a second connecting rod (402);
one end of the screw rod (410) is provided with a first motor, and the first motor is used for driving the screw rod (410) to rotate.
5. The near-bottom detection device of the high-precision ocean magnetic force according to claim 1, wherein a gravity sensor is arranged on the connecting rod (202), and a camera is arranged at the top of the spherical cabin body (101).
6. The near-bottom detection device of the high-precision ocean magnetic force according to claim 1, wherein the detection assembly (100) comprises a first column (110) which is vertically arranged, the top of the first column (110) is connected with a spherical cabin body (101), a first geomagnetic measurement assembly (111) is arranged at the bottom end of the first column (110) in an extending mode, a plurality of second geomagnetic measurement assemblies (112) are uniformly arranged around the first column (110), the plurality of second geomagnetic measurement assemblies (112) are connected with the first column (110) through a third connecting rod (113), one end of a fourth column (114) is arranged around the middle of the first column (110), the fourth column (114) is correspondingly arranged with the third connecting rod (113), and the other end of the fourth column (114) is connected with the middle of the third connecting rod (113);
the first geomagnetic measurement component (111) and the second geomagnetic measurement component (112) are arranged on the same horizontal plane.
7. The near-bottom detection device of the high-precision ocean magnetic force according to claim 6, wherein the first geomagnetic measurement component (111) comprises a measurement base body (120), a concave through groove (121) is formed in the upper end of the measurement base body (120), a rotary ball (122) is arranged in the concave through groove (121) in a rotary fit mode, a first hanging rod (123) is vertically connected below the rotary ball (122), a geomagnetic measurement device (124) is arranged at the bottom of the first hanging rod (123), and a weight increasing component (125) is arranged at the bottom side of the geomagnetic measurement device (124).
8. A method for detecting the near bottom of a high-precision ocean magnetic force, which is characterized in that the method for detecting the near bottom of the high-precision ocean magnetic force is adopted by the device for detecting the near bottom of the high-precision ocean magnetic force according to any one of claims 1 to 7, and comprises the following steps:
s1: the whole device is put into a water area to be measured from a transportation carrier;
s2: the whole device is adjusted through a first driving piece (201) in the sinking process of the water area to be measured, and a displacement assembly (400) for getting rid of the trapping is arranged at the bottom of the whole device;
s3: the whole device moves to a region to be measured through a displacement assembly (400) after sinking to the water bottom, and geomagnetism is measured through a detection assembly (100);
s4: the whole device is moved up to the surface of the water by a first drive (201) and recovered by transporting the carrier.
CN202310093209.6A 2022-12-19 2023-02-10 Near-bottom detection device and detection method for high-precision ocean magnetic force Active CN115755203B (en)

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