CN211336354U - Buoy for detecting magnetic force abnormity in deep and far sea - Google Patents
Buoy for detecting magnetic force abnormity in deep and far sea Download PDFInfo
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- CN211336354U CN211336354U CN201922197590.2U CN201922197590U CN211336354U CN 211336354 U CN211336354 U CN 211336354U CN 201922197590 U CN201922197590 U CN 201922197590U CN 211336354 U CN211336354 U CN 211336354U
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Abstract
The utility model discloses a buoy for deep and far sea magnetic force abnormity detection, which comprises a floating body, wherein a buoy upper frame is arranged above the floating body, the bottom of the floating body is connected with an acoustic releaser through an anchor rope, the bottom of the acoustic releaser is connected with an anchor block through an anchor chain, an instrument cabin and a battery cabin are arranged in the floating body, a Beidou communication terminal and GNSS positioning equipment are arranged at the top of the upper frame of the buoy, the data collector, the attitude sensor, the wave sensor, the three-component fluxgate sensor and the cesium optical pump magnetic sensor are sequentially arranged in the instrument cabin from top to bottom, the buoy of the utility model has simple structure and low manufacturing cost, is suitable for long-term fixed-point magnetic anomaly detection in deep and distant sea, has high sensitivity, can correctly identify a target, and the direction of the target is directly and accurately determined, and accurate data is provided for military operations such as early warning, attack and the like.
Description
Technical Field
The utility model relates to a buoy, in particular to buoy that is used for abnormities of deep sea magnetic force to survey.
Background
Ships and submarines in the sea are comprehensive mechanical electronic equipment, and electromagnetic fields generated by communication equipment, electrical equipment, electronic circuits, power transmission lines and the like in the ships and the submarines are integrated; the shell is made of ferromagnetic substances such as steel, the residual magnetization of the ferromagnetic substances in the shell can generate a fixed magnetic field, the magnetic substances can generate an induction magnetic field under the magnetization effect of the earth magnetic field, the eddy magnetic field generated by cutting the earth magnetic field when the ferromagnetic substances in the shell move, the superposition of the magnetic fields can cause the distortion of the earth magnetic field to generate local magnetic anomaly of the earth magnetic field, and the overwater and underwater targets such as ships and submarines can be detected and identified by accurately measuring the local magnetic anomaly.
The American navy has been researching and applying aviation magnetic exploration potential technology from the 40 th century, a high-sensitivity magnetic exploration system is installed on an anti-diving airplane, and a target is distinguished and determined by measuring local magnetic anomaly caused by magnetic objects such as submarines in the ocean. The magnetometer and the accessory equipment with high sensitivity and the magnetic detection system formed by a reasonable and effective data acquisition and processing algorithm can correctly identify the target, directly and accurately measure the direction of the target and provide accurate data for military operations such as early warning, attack and the like.
In deep sea oceans, the ocean buoy becomes one of important means for ocean observation with the advantages of low cost, flexible arrangement and strong cruising ability, can carry out long-term continuous observation in a designated sea area, and carries out real-time data communication with land. Therefore, detection of magnetic anomalies by means of buoys is a relatively effective detection means, and no research on this aspect is available at present.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a buoy for abyssal sea magnetic force is surveyed unusually to reach the sensitive area that realizes in the ocean and carry out the long-term magnetic anomaly purpose of keeping watch on of fixed point.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
the utility model provides a buoy for abnormities of deep and distant sea magnetic force survey, includes the body, the body top sets up the buoy upper bracket, the body bottom is passed through the hawser and is connected acoustics releaser, acoustics releaser bottom is through anchor chain connection anchor block, inside instrument cabin and the battery compartment of setting up of body, buoy upper bracket top sets up big dipper communication terminal and GNSS positioning device, inside from last to installing data collection station, attitude sensor, wave sensor, three-component fluxgate sensor and the cesium optical pump magnetic force sensor down in proper order of instrument cabin.
In the above scheme, the cesium optical pump magnetic sensor is placed at the bottommost layer of the instrument chamber, and the vertical central axis of the cesium optical pump magnetic sensor coincides with the vertical central axis of the buoy.
In the above scheme, the installation position of the wave sensor coincides with the gravity center of the whole buoy, the Z axis of the coordinate system of the wave sensor coincides with the central axis of the buoy, and the X axis and the Y axis are parallel to the X axis and the Y axis of the coordinate system of the buoy.
In the above scheme, the Z axis of the coordinate system of the attitude sensor coincides with the vertical central axis of the buoy.
In the scheme, the data acquisition unit is respectively in signal connection with the attitude sensor, the wave sensor, the three-component fluxgate sensor and the cesium optical pump magnetic sensor, and the GNSS positioning device and the Beidou communication terminal.
In a further technical scheme, the data update rate of the cesium optical pump magnetic sensor, the three-quadrant imaging fluxgate sensor, the attitude sensor and the GNSS positioning device is 10Hz, and the data update rate of the wave sensor is 20 Hz.
In a further technical scheme, a solar cell panel is installed on the side face of the buoy upper frame.
In a further technical scheme, a floating ball is arranged on the anchor rope.
Through the technical scheme, the utility model provides an among the buoy that is used for abnormities of deep and distant sea magnetic force to survey, cesium optical pump magnetic force sensor is used for measuring the magnetic field total value in the sea area of buoy place, including earth magnetic field (being about 50000nT), buoy interference magnetic field (being about tens nT), environmental magnetic field (being about several nT) and target magnetism unusual (being about tens nT).
The three-component fluxgate sensor measures three-axis components of the geomagnetic field of the sea area where the buoy is located in the buoy coordinate system. The attitude sensor measures the yaw angle, roll angle and pitch angle of the buoy; the three-component fluxgate sensor data and the attitude data are used for magnetic interference compensation of the cesium optical pump magnetic sensor.
The wave sensor measures wave parameters (effective wave height, wave period and the like) of the sea area where the buoy is located, and is used for calculating a magnetic field generated by the movement of seawater in the sea area where the buoy is located, and the accuracy of magnetic anomaly measurement is improved. The GNSS positioning equipment provides time and position information for the magnetic data, and determines the magnetic inclination angle of the sea area where the buoy is located according to the position information.
The data are collected and stored by a data collector and are converted into a triaxial coordinate system of the buoy for operation. The data acquisition unit is mainly used for receiving and storing data of all the sensors, performing magnetic interference compensation calculation and magnetic anomaly calculation, and sending the found magnetic anomaly information (magnetic anomaly strength) back to the land through the Beidou communication terminal.
The utility model discloses a buoy for abnormities of deep sea magnetic force surveys simple structure, low in manufacturing cost is fit for the long-term fixed point magnetic anomaly in the deep sea and surveys, and sensitivity is high, can correctly discern the target to direct accurately survey the position of target, provide accurate data for military operations such as early warning and attack.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic structural view of a buoy for magnetic anomaly detection in deep and far sea according to an embodiment of the present invention;
fig. 2 is a schematic view of an internal structure of the instrument chamber disclosed in the embodiment of the present invention.
In the figure, 1, a floating body; 2. putting the buoy on a frame; 3. a solar panel; 4. a Beidou communication terminal; 5. a GNSS positioning device; 6. an anchor line; 7. an acoustic releaser; 8. an anchor chain; 9. an anchor block; 10. a floating ball; 11. an instrument pod; 12. a battery compartment; 13. a data acquisition unit; 14. an attitude sensor; 15. a wave sensor; 16. a three-component fluxgate sensor; 17. cesium optical pumping magnetic force sensor.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
The utility model provides a buoy for abnormities detection of deep and distant sea magnetic force, like the structure shown in figure 1, should include body 1, body 1 top sets up buoy upper bracket 2, and 2 side-mounting have solar cell panel 3 on the buoy upper bracket for supply power for inside battery compartment. And the top of the buoy upper frame 2 is provided with a Beidou communication terminal 4 and GNSS positioning equipment 5.
The bottom of the floating body 1 is connected with an acoustic releaser 7 through an anchor rope 6, the bottom of the acoustic releaser 7 is connected with an anchor block 9 through an anchor chain 8, and a floating ball 10 is arranged on the anchor rope 6.
An instrument cabin 11 and a battery cabin 12 are arranged inside the floating body 1, and the battery cabin 12 is used for supplying power to the instrument cabin 11. As shown in fig. 2, a data acquisition unit 13, an attitude sensor 14, a wave sensor 15, a three-component fluxgate sensor 16 and a cesium optical pump magnetic sensor 17 are sequentially installed in the instrument chamber 11 from top to bottom.
In this embodiment, the cesium optical pump magnetic sensor 17 is placed at the bottommost layer of the instrument chamber 11, and the vertical central axis of the cesium optical pump magnetic sensor 17 coincides with the vertical central axis of the float. The installation position of the wave sensor 15 coincides with the center of gravity of the whole buoy, the Z axis of the coordinate system of the wave sensor 15 coincides with the central axis of the buoy, and the X axis and the Y axis are parallel to the X axis and the Y axis of the coordinate system of the buoy. The Z-axis of the coordinate system of the attitude sensor 14 coincides with the vertical central axis of the buoy. The above positional relationship is used for establishing a buoy coordinate system during subsequent data processing.
The data acquisition unit 13 is respectively in signal connection with the attitude sensor 14, the wave sensor 15, the three-component fluxgate sensor 16, the cesium optical pump magnetic sensor 17, the GNSS positioning device 5 and the beidou communication terminal 4.
In this embodiment, the data update rate of the cesium optical pump magnetic sensor 17, the trifurcation fluxgate sensor 16, the attitude sensor 14 and the GNSS positioning apparatus 5 is 10Hz, and the data update rate of the wave sensor 15 is 20 Hz.
When the buoy is used, the buoy is placed in a target sea area, the attitude sensor 14 acquires the yaw angle, the roll angle and the pitch angle of the buoy, the wave sensor 15 measures wave parameters (effective wave height, wave period and the like) of the sea area where the buoy is located, the three-component fluxgate sensor 16 measures three-axis components of a geomagnetic field of the sea area where the buoy is located in a buoy coordinate system, and the cesium optical pump magnetic sensor 17 measures the total magnetic field value of the sea area where the buoy is located, wherein the total magnetic field value comprises an earth magnetic field (about 50000nT), a buoy interference magnetic field (about ten nT), an environment magnetic field (about several nT) and target magnetic anomaly (about ten nT). The GNSS positioning equipment provides time and position information for the magnetic data, and determines the magnetic inclination angle of the sea area where the buoy is located according to the position information.
The acquired data are transmitted to the data acquisition unit 13, magnetic interference compensation calculation and magnetic anomaly calculation are carried out in the data acquisition unit 13, and found magnetic anomaly information (magnetic anomaly strength) is sent back to the land through the Beidou communication terminal 4.
The high-sensitivity magnetic detection system is very sensitive to the magnetic interference response of a near field, and the magnetic interference of the buoy platform must be reduced as much as possible, namely the buoy material adopts nonmagnetic or weak magnetic material as much as possible, and the requirements of long-distance transportation and distribution of deep and far sea buoys and the applicability of the magnetic detection system on the buoy platform are considered. The buoy has the following main technical characteristics: the buoy adopts a disc type structure with the diameter less than or equal to 3 m; the floating body is made of PE materials, polyurea is sprayed on the surface of the floating body, the floating body is guaranteed to have enough strength and corrosion resistance, an instrument cabin and a battery cabin are arranged in the floating body, a high-sensitivity magnetic detection system is arranged in the instrument cabin, the central axis of the instrument cabin is overlapped with the central axis of the floating body, and a battery pack is arranged in the battery cabin; the anchor system comprises an anchor rope, a floating ball, an acoustic releaser, an anchor chain and an anchor block, wherein the anchor rope is a nylon rope or a polypropylene cable, the floating ball is a glass floating ball, connecting pieces close to the buoy are all made of aluminum, parts formed by ferromagnetic materials such as the acoustic releaser, the anchor chain and the anchor block are close to the sea bottom, and the distance from the parts to the buoy is more than 1000 meters.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a buoy for abnormities of deep and distant sea magnetic force surveys, includes the body, the body top sets up the buoy upper carriage, the body bottom is passed through the hawser and is connected acoustics releaser, acoustics releaser bottom is through anchor chain connection anchor block, inside instrument compartment and the battery compartment of setting up of body, its characterized in that, buoy upper carriage top sets up big dipper communication terminal and GNSS positioning equipment, inside from last to installing data collection station, attitude sensor, wave sensor, three-component fluxgate sensor and the cesium optical pump magnetic force sensor down in proper order of instrument compartment.
2. The buoy of claim 1, wherein the cesium optical pumping magnetic sensor is placed at the lowest layer of the instrument chamber, and a vertical central axis of the cesium optical pumping magnetic sensor coincides with a vertical central axis of the buoy.
3. The buoy for deep open sea magnetic force anomaly detection according to claim 1, wherein the wave sensor is installed at a position coinciding with the center of gravity of the entire buoy, the Z-axis of the coordinate system of the wave sensor coincides with the central axis of the buoy, and the X-axis and the Y-axis are parallel to the X-axis and the Y-axis of the coordinate system of the buoy.
4. The buoy for deep offshore magnetic anomaly detection according to claim 1, wherein the coordinate system Z axis of the attitude sensor coincides with the vertical central axis of the buoy.
5. The buoy for deep and offshore magnetic anomaly detection according to any one of claims 1-4, wherein the data collector is in signal connection with an attitude sensor, a wave sensor, a three-component fluxgate sensor and a cesium optical pump magnetic sensor, as well as a GNSS positioning device and a Beidou communication terminal.
6. The buoy for deep sea magnetic anomaly detection according to claim 5, wherein the cesium optical pump magnetic sensor, the trimaran fluxgate sensor, the attitude sensor and the GNSS positioning device have a data update rate of 10Hz and the wave sensor has a data update rate of 20 Hz.
7. The buoy for deep open sea magnetic force anomaly detection according to claim 1, wherein a solar panel is installed on the side face of the buoy upper frame.
8. The buoy for deep open sea magnetic anomaly detection according to claim 1, wherein floating balls are arranged on the anchor lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922197590.2U CN211336354U (en) | 2019-12-10 | 2019-12-10 | Buoy for detecting magnetic force abnormity in deep and far sea |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922197590.2U CN211336354U (en) | 2019-12-10 | 2019-12-10 | Buoy for detecting magnetic force abnormity in deep and far sea |
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| CN211336354U true CN211336354U (en) | 2020-08-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113251967A (en) * | 2021-05-18 | 2021-08-13 | 哈尔滨工业大学 | Dynamic monitoring mechanism for postures of traction ropes or bearing ropes of electric holding poles |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113251967A (en) * | 2021-05-18 | 2021-08-13 | 哈尔滨工业大学 | Dynamic monitoring mechanism for postures of traction ropes or bearing ropes of electric holding poles |
| CN113251967B (en) * | 2021-05-18 | 2022-11-04 | 哈尔滨工业大学 | Dynamic monitoring mechanism for postures of traction ropes or bearing ropes of electric holding poles |
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