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Underwater global positioning system receiving arrangement

A global positioning system and receiving device technology, applied in the field of underwater global positioning system receiving devices, can solve problems such as sinking, poor water resistance, equipment damage, etc., and achieve the effect of ensuring smooth completion and improving stealth and safety

Inactive Publication Date: 2005-12-07
SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0004] This approach is effective most of the time, but for underwater vehicles with stealth requirements or poor water resistance, every surfacing has certain risks
If you encounter severe sea conditions when floating on the water surface, it may cause serious consequences of equipment damage or even sinking

Method used

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Embodiment Construction

[0013] The present invention will be described in detail below in conjunction with the following embodiments and accompanying drawings.

[0014] Such as figure 1 Shown, the present invention is to install a GPS antenna receiving device additionally on the underwater vehicle. The receiving device is composed of three parts including a GPS antenna pressure cabin, a traction and communication cable, and a winch. The GPS antenna pressure cabin is connected with the retractable winch through the traction and communication cable.

[0015] Among them: the GPS antenna pressure cabin part is composed of a pressure cabin shell 1, a two-axis swing table 2, a GPS receiving antenna 3, and a GPS receiver (that is, an OEM board, which is a commercially available product in the prior art) 4. The body 1 is spherical, divided into two parts, the upper hemisphere and the lower hemisphere, and is made of fiberglass material with good transmittance to GPS signals; the inner wall of the lower hemi...

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Abstract

This invention discloses an underwater GPS receive device composed of a GPS antenna pressure resistance cabin, a pull, a communication cable and a retractable winch, among which, the cabin is connected with the winch by the pull and the cable. The shell of the cabin is a sphere, the inside wall of the lower hemisphere is set with a convex stand with a two-axle tilter on it, the GPS antenna and a GPS receiver are installed on the internal frame of the tilter, the GPS receiver is connected with the conduction slide ring in the winch via the cable. A drive motor, a speed-reduction unit and a winch drum are fixed on the base. The cable is winded on the drum and its watertight plug-in unit is connected with the ring lead of the slide ring in the drum and the lead is connected to the master control computer of a navigator.

Description

technical field [0001] The invention relates to the integrated navigation technology of long-distance underwater vehicle in marine environment. Specifically, it is an underwater global positioning system (GPS) receiving device for precise navigation and positioning of remote underwater vehicles by using the global positioning system (GPS). Background technique [0002] The navigation system is an essential system to ensure the safe and accurate navigation of the surface or underwater vehicle. In addition to the shore-based navigation system composed of traditional navigation lights, shore-based radio navigation stations and other equipment, there are currently two common navigation systems: GPS and inertial navigation system. Since the inertial navigation system does not need to exchange signals with the outside world, it is a self-contained system and is generally used in underwater vehicles. It is especially suitable for underwater vehicles that have stealth requirements...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S1/04
Inventor 郑荣林扬刘健
Owner SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI
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