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Underwater fixed-depth and fixed-height towing device

A towing device and sounding technology, which is applied to underwater operation equipment, transportation and packaging, ships, etc., can solve problems such as damage or loss of measuring instruments, invalid measurement results, easy to miss measurements, etc., and achieve the effect of accurate measurement and detection

Inactive Publication Date: 2013-02-13
刘雁春 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the existing towing device cannot realize real-time regulation of the draft and bottom height of the towed carrier, it is difficult to ensure that the towed carrier is always within the set position range, resulting in the following problems in actual operation:
The change of the draft of the towed carrier will affect the accuracy of the measurement value to the unified datum and may even lead to invalid measurement results
[0004] (2) In the height-fixed towing measurement, the speed of the survey ship and the bottom terrain also have a great influence on the height of the towed carrier (that is, the height from the bottom of the water). The detection resolution of anchor chains, pipelines, submarine cables, mines, etc.) is easy to miss, the towed carrier is too low from the bottom, and it is easy to collide with underwater targets or obstacles in aquaculture areas. Expensive measuring instruments will be damaged due to collisions. Damaged or lost, increasing cost of measurement

Method used

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  • Underwater fixed-depth and fixed-height towing device
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  • Underwater fixed-depth and fixed-height towing device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Such as figure 1 , 2 As shown: there is an underwater carrier 1 made of glass fiber reinforced plastic or engineering plastics, etc. In order to further improve the buoyancy of the underwater carrier 1, a floating body 2 (floating ball, etc.) The device 4 is connected, and the underwater carrier 1 is connected with the floating body 2 on the water surface through the cable 17 at the same time. A sounding transducer probe 5 is installed on the underwater carrier 1 , and the output signal of the sounding transducer probe 5 is connected to a display and control terminal 6 through a cable 3 . The display and control terminal 6 is composed of a transceiver switch 7, a transceiver module 8, a data signal processing and control module 9, and a display recording module 10. The data signal processing and control module 9 is a computer system with a digital signal processor as its core. The OMAP-L128 of Texas Instruments C6000 DSP+ARM architecture combines software to realize c...

Embodiment 2

[0024] Such as figure 2 , 3 As shown, the basic structure is the same as in Embodiment 1, and the difference from Embodiment 1 is that the sounding transducer probe 5 is installed directly above the underwater carrier 1, and the rear end of the underwater carrier 1 is provided with a detachable V-shaped Empennage 12, the lower end of underwater vehicle 1 is provided with fast counterweight 13.

[0025] The operation process is the same as in Embodiment 1, except that the depth data obtained in real time is the depth of the underwater carrier 1 from the water surface, and when the underwater detection instrument 20 (such as a video camera) installed in the fixed frame 11 does not have During empennage, empennage 12 needs to be installed on the rear end of underwater carrier 1. The counterweight fast 13 of underwater vehicle 1 lower end is used for adjusting the weight and center of gravity of whole underwater vehicle 1. Embodiment 2 can complete underwater depth-fixed towin...

Embodiment 3

[0027] Such as figure 2 , 4 As shown, the basic structure is the same as that of Embodiment 2, and the difference from Embodiment 2 is that a semi-open fixed frame 11 is provided on the underwater carrier 1, and the sounding transducer probe 5 can be installed on the underwater carrier as required. One of the left and right wings of 1 (the other wing needs counterweight processing), it can also be installed on the left and right wings of the underwater carrier 1 at the same time, one for sounding upwards and the other for sounding downwards, and the display and control terminal 6 can switch according to needs use. The rear end of the underwater carrier 1 is provided with a detachable X-shaped empennage 12, and the front end of the underwater carrier 1 is provided with a detachable diversion protective cover 14, and the use of the diversion protective cover 14 can reduce the influence of the sea current on the measuring instrument 20. Shock and protect the measuring instrume...

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Abstract

The invention discloses an underwater fixed-depth and fixed-height towing device which is provided with an underwater carrier, wherein the underwater carrier is connected with a cable winding / unwinding device by a cable, a probe of a depth measuring transducer is arranged on the underwater carrier, an output signal of the probe of the depth measuring transducer is connected with a display and control terminal by a cable, and a control signal output by the display and control terminal is used for controlling the cable winding / unwinding device. The underwater fixed-depth and fixed-height towing device does not need power and is low in cost, the probe of the depth measuring transducer can acquire depth from the towed carrier to the water surface or height from the towed carried to the water bottom in real time, the display and control terminal can control the cable winding / unwinding device according to measured depth from the towed carrier to the water surface or the height from the towed carrier to the water bottom, and the depth or the height of the towed carrier can be compensated and regulated in real time through the winding / unwinding for the cables and control on a navigational speed of the cable winding / unwinding device, so that the depth of immersion and underwater height can be controlled, so as to realize accurate measurement and detection in underwater fixed-depth and fixed-height towing.

Description

technical field [0001] The invention relates to an underwater measurement auxiliary device, in particular to an underwater depth-fixing and height-fixing towing device with no power, low cost, and controllable draft and bottom height. Background technique [0002] At present, the modes for detecting and measuring underwater (oceans, rivers, lakes, etc.) information include underwater robots, autonomously powered underwater vehicles (actually submersibles) and towed measurement, etc. Underwater robots and autonomously powered underwater vehicles Due to the high cost, it is generally not used for large-scale underwater detection and measurement. The towed measurement mode is the main means of obtaining underwater information in a large area. The towed measurement mode is required for magnetic measurement, side-scan sonar measurement, submarine dangerous obstacle detection, Hydrographic surveying, underwater photography, etc. The known towing measurement method is to place the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B63C11/52
Inventor 刘雁春付建国王海亭
Owner 刘雁春
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