Underwater high-precision magnetic field measurement system

Abstract

The utility model relates to the technical field of underwater high-precision magnetic field measurement, and discloses an underwater high-precision magnetic field measurement system, which comprises a base, a positioning hole is fixedly arranged at the inner end of the base, a support frame I is fixedly arranged at the top of the base, and a support frame II is fixedly arranged on one side, far away from the support frame I, of the top of the base. According to the underwater high-precision magnetic field measurement system, the device can be conveniently fixed to the seabed through the positioning holes, the first supporting frame and the second supporting frame are obliquely designed at the top of the base and are in a triangular shape, and the stability of the device is improved; the ultrasonic fish-driving transducer transmits ultrasonic waves with specific frequency through the ultrasonic transmitting device to drive fish schools, the ultrasonic waves are high in propagation speed and long in propagation distance in water and can penetrate through underwater obstacles, and when the fish schools receive the ultrasonic waves, discomfort is generated, so that the fish schools are far away from a sound source area, and the ultrasonic fish-driving transducer has the advantages of being environmentally friendly and efficient. Fish shoals can be prevented from impacting the device.

Description

TECHNICAL FIELD

[0001] The utility model relates to underwater high accuracy magnetic field measurement technical field, specifically for a kind of underwater high accuracy magnetic field measurement system. BACKGROUND

[0002] Ocean magnetic force measurement is the magnetic anomaly field generated by analyzing the magnetic difference of rock and ore in nature can clarify regional geological features, such as the fluctuation of crystalline basement, the sedimentary thickness of basin, the distribution of large fault and the range of volcanic rock mass, and detailed investigation results can be used for seabed geological mapping and finding ferromagnetic minerals, offshore magnetometer can generally measure geological structure about 20 kilometers below seabed (crust above curie point), due to the existence of ocean water, so a series of measurement instruments and observation methods different from land geophysical survey must be used, on the other hand, using ship is conducive to rapid and continuous observation and comprehensive measurement of several methods, to achieve one boat multiple use, improve efficiency, ocean geophysical measurement generally adopts two basic ways of route measurement (profile measurement) and area measurement, route measurement is arranged for understanding the geological structure of sea area and basic characteristics of geophysical field, area measurement is arranged with a certain interval of survey line network in the investigation sea area according to the mapping scale specified in the investigation task, the larger the scale, the higher the density of the measurement network, and the finer the understanding of the field, offshore geophysical measurement adopts underway measurement except seabed heat flow and seabed gravity, multiple measurement methods are carried out on the same investigation ship, which improves efficiency and is conducive to comprehensive analysis and mutual comparison of various data, in offshore geophysical measurement, investigation ship and navigation positioning are two basic guarantee conditions, different methods have different requirements for navigation positioning, currently, radio positioning system and satellite navigation positioning system (see offshore navigation positioning) are widely used, and different tonnage and equipped comprehensive investigation ships or professional work ships are selected for different investigation tasks and different sea areas.

[0003] The existing patent CN216792422U a kind of high-precision magnetic field measurement system suitable for underwater environment presents, the utility model includes mounting bracket, the bottom of the mounting bracket is fixedly installed with protective cover, the inner wall of the protective cover is fixedly installed with mounting plate, the top of the mounting plate is provided with the driving mechanism of improving magnetic field measurement precision. The high-precision magnetic field measurement system suitable for underwater environment, through the cooperation of rotating motor, movable frame, drive motor, shaft, mounting block and magnetic sensor, drive motor starts, shaft, mounting block and magnetic sensor rotate, then start rotating motor, movable frame rotates, drives magnetic sensor to rotate, thereby the underwater environment of the bottom position of protective cover is measured, the magnetic field measurement range is improved, the precision of magnetic field measurement is higher, the precision of magnetic field measurement is improved, solve the problem of low magnetic field measurement precision.

[0004] However, the existing patent CN216792422U improves the magnetic field measurement range, increases the accuracy of magnetic field measurement, improves the accuracy of magnetic field measurement, and solves the problem of low accuracy of magnetic field measurement, but in some water areas, there may be a large number of fish, when the fish collide with the device, it may affect the accuracy of the device, and different types of magnetic sensors may differ in size, which may not be convenient for installation. Utility model content

[0005] (I) The technical problem solved

[0006] The utility model discloses a kind of underwater high-precision magnetic field measurement systems, to solve the above technical problem mentioned in the background art, since some water areas, there may be a large number of fish, when the fish collide with the device, it may affect the accuracy of the device, and different types of magnetic sensors may differ in size, which may not be convenient for installation.

[0007] (II) Technical solution

[0008] To achieve the above object, the utility model provides the following technical scheme: a kind of underwater high-precision magnetic field measurement systems, including base, the inner end of the base is fixedly arranged with positioning hole, the top of the base is fixedly arranged with support frame one, the top of the base is fixedly arranged with support frame two on the side away from support frame one.

[0009] Preferably, the top of the support frame one and the support frame two is fixedly arranged with ultrasonic wave fish expelling transducer, the outer side of the ultrasonic wave fish expelling transducer is fixedly arranged with mounting bracket, the positioning hole is arranged to facilitate the device to be fixed in seabed, the support frame one and the support frame two are designed to be inclined on the top of the base, and are triangular, effectively increasing the stability of the device.

[0010] Preferably, the side of the mounting bracket away from the ultrasonic wave fish expelling transducer is fixedly arranged with ultrasonic wave emission device, the inner side of the mounting bracket is fixedly arranged with limiting slot, the ultrasonic wave fish expelling transducer is arranged, the ultrasonic wave fish expelling transducer expels fish by emitting specific frequency ultrasonic wave through ultrasonic wave emission device, ultrasonic wave propagates fast in water, and the propagation distance is far, can penetrate underwater obstacles, when fish receives these sound waves, will produce discomfort, thereby far away from sound source area, with the characteristics of environmental protection, high efficiency, can prevent fish from impacting device, affect the accuracy of the device, effectively improve the safety of the device.

[0011] Preferably, the inner side of the limiting slot is provided with magnetic sensor, the top of the magnetic sensor is fixedly arranged with extrusion block, the limiting slot is arranged for installing magnetic sensor, when magnetic sensor needs to be replaced, user can push the shift block upwards, so that telescopic shaft contracts.

[0012] Preferably, the top of the extrusion block is fixedly provided with a telescopic shaft, and the outer side of the telescopic shaft is provided with a spring, so that the telescopic shaft is retracted, the telescopic shaft drives the spring to retract, at this time, the user can place the magnetic sensor on the inner side of the limiting groove, and then release the moving block.

[0013] Preferably, the outer side of the extrusion block is fixedly provided with a moving block, and the moving block is arranged on the outer side of the mounting frame; when the moving block is released, the telescopic shaft is reset, the spring is reset, the extrusion block extrudes the magnetic sensor, the magnetic sensor is fixed, and the convenience of the device is effectively improved.

[0014] Compared with the prior art, the device has the advantages that:

[0015] 1. The positioning hole is arranged to facilitate fixing the device on the seabed, the support frame one and the support frame two are inclined on the top of the base and are triangular, so that the stability of the device is improved, the ultrasonic fish repelling transducer is arranged, the ultrasonic fish repelling transducer emits ultrasonic waves of a specific frequency through the ultrasonic wave emitting device to drive fish away, the ultrasonic waves propagate fast in water and have a long propagation distance and can penetrate underwater obstacles, when the fish receive the sound waves, the fish will feel uncomfortable and move away from the sound source area, so that the device is environmentally friendly and efficient, fish impact on the device can be prevented, the precision of the device is affected, and the safety of the device is effectively improved.

[0016] 2. The limiting groove is arranged to install the magnetic sensor, when the magnetic sensor needs to be replaced, the user can push the moving block upwards, so that the telescopic shaft is retracted, the telescopic shaft drives the spring to retract, at this time, the user can place the magnetic sensor on the inner side of the limiting groove, and then release the moving block, at this time, the telescopic shaft is reset, the spring is reset, the extrusion block extrudes the magnetic sensor, the magnetic sensor is fixed, and the convenience of the device is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0018] Figure 2 It is a mounting frame cross section structure schematic view of the utility model;

[0019] Figure 3 It is a local three-dimensional structure schematic view of the utility model;

[0020] Figure 4 It is a local cross section structure schematic view of the utility model.

[0021] In the figure: 1, base; 2, positioning hole; 3, support frame one; 4, support frame two; 5, ultrasonic fish repelling transducer; 6, mounting bracket; 7, ultrasonic emission device; 8, limiting groove; 9, magnetic sensor; 10, extrusion block; 11, telescopic shaft; 12, spring; 13, moving block. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a kind of underwater high-precision magnetic field measurement system, including base 1, the inner end of base 1 is fixedly provided with positioning hole 2, the top of base 1 is fixedly provided with support frame one 3, the top of base 1 is fixedly provided with support frame two 4 on the side away from support frame one 3.

[0024] The top of support frame one 3 and support frame two 4 is fixedly provided with ultrasonic fish repelling transducer 5, the outside of ultrasonic fish repelling transducer 5 is fixedly provided with mounting bracket 6, mounting bracket 6 is fixedly provided with ultrasonic emission device 7 on the side away from ultrasonic fish repelling transducer 5, the inner side of mounting bracket 6 is fixedly provided with limiting groove 8, the inner side of limiting groove 8 is provided with magnetic sensor 9, the top of magnetic sensor 9 is fixedly provided with extrusion block 10, the top of extrusion block 10 is fixedly provided with telescopic shaft 11, the outside of telescopic shaft 11 is provided with spring 12, the outside of extrusion block 10 is fixedly provided with moving block 13, moving block 13 is arranged on the outside of mounting bracket 6, when using underwater high-precision magnetic field measurement system, the setting of positioning hole 2 is convenient for fixing device in seabed, support frame one 3 and support frame two 4 are designed to be inclined on the top of base 1, present triangle, increase the stability of device, the setting of ultrasonic fish repelling transducer 5, ultrasonic fish repelling transducer 5 is driven away by emitting specific frequency ultrasonic wave through ultrasonic emission device 7 to fish group, ultrasonic wave propagates fast in water, and the propagation distance is far, can penetrate underwater barrier, when fish group receives these sound waves, will produce discomfort, thereby far from sound source area, with the characteristics of environmental protection, high efficiency, can prevent fish group from impacting device, influence the precision of device, the setting of limiting groove 8 is used to install magnetic sensor 9, when needing to replace magnetic sensor 9, user can push moving block 13 upwards, so that telescopic shaft 11 contracts, telescopic shaft 11 drives spring 12 to contract, at this time, user can place magnetic sensor 9 in the inner side of limiting groove 8, then release moving block 13, at this time, telescopic shaft 11 resets, spring 12 resets, extrusion block 10 extrudes magnetic sensor 9, realizes the fixation of magnetic sensor 9.

[0025] Working principle: when using the underwater high-precision magnetic field measuring system, the positioning hole 2 is arranged to fix the device on the seabed, the support frame one 3 and the support frame two 4 are inclined on the top of the base 1, and are triangular, which increases the stability of the device, the ultrasonic fish repelling transducer 5 is arranged, the ultrasonic fish repelling transducer 5 emits ultrasonic waves of a specific frequency through the ultrasonic wave emitting device 7 to drive away fish, the ultrasonic waves propagate fast in water and have a long propagation distance, and can penetrate underwater obstacles, when the fish receive the sound waves, they will feel uncomfortable and move away from the sound source area, which has the characteristics of environmental protection and high efficiency, and can prevent the fish from colliding with the device and affecting the accuracy of the device, the limiting groove 8 is arranged to install the magnetic sensor 9, when the magnetic sensor 9 needs to be replaced, the user can push the moving block 13 upwards, so that the telescopic shaft 11 is retracted, the telescopic shaft 11 drives the spring 12 to retract, at this time, the user can place the magnetic sensor 9 on the inner side of the limiting groove 8, and then release the moving block 13, at this time, the telescopic shaft 11 resets, the spring 12 resets, and the extrusion block 10 extrudes the magnetic sensor 9, so as to fix the magnetic sensor 9.

[0026] Finally, it should be noted that the above content is only used to illustrate the technical scheme of the present application, and is not a limitation on the protection scope of the present application. Simple modifications or equivalent replacements of the technical scheme of the present application by those skilled in the art do not deviate from the essence and scope of the technical scheme of the present application.

Claims

1. An underwater high-precision magnetic field measurement system comprising a base (1), characterized in that: The inner end of the base (1) is fixedly provided with a positioning hole (2), the top of the base (1) is fixedly provided with a support frame one (3), and the top of the base (1) is fixedly provided with a support frame two (4) away from the support frame one (3).

2. The underwater high-precision magnetic field measurement system according to claim 1, characterized in that: The top of the support frame one (3) and the support frame two (4) is fixedly provided with an ultrasonic fish repelling transducer (5), and the outer side of the ultrasonic fish repelling transducer (5) is fixedly provided with a mounting bracket (6).

3. The underwater high-precision magnetic field measurement system according to claim 2, characterized in that: The side of the mounting bracket (6) away from the ultrasonic fish repelling transducer (5) is fixedly provided with an ultrasonic emission device (7), and the inner side of the mounting bracket (6) is fixedly provided with a limiting groove (8).

4. The high-precision magnetic field measurement system under water according to claim 3, characterized in that: The inner side of the limiting groove (8) is provided with a magnetic sensor (9), and the top of the magnetic sensor (9) is fixedly provided with a pressing block (10).

5. The system for underwater high-precision magnetic field measurement according to claim 4, characterized in that: The top of the pressing block (10) is fixedly provided with a telescopic shaft (11), and the outer side of the telescopic shaft (11) is provided with a spring (12).

6. The underwater high-precision magnetic field measurement system according to claim 5, characterized in that: The outer side of the pressing block (10) is fixedly provided with a moving block (13), and the moving block (13) is arranged on the outer side of the mounting bracket (6).

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