Pressure adaptive watertight connection box of underwater robot

An underwater robot and dense junction box technology, which is applied to underwater ships, underwater operation equipment, motor vehicles, etc., can solve problems such as easy breakage and failure of pressure compensators, and achieve non-breakable, reliable work, and good ductility. Effect
CN102407926AInactive Publication Date: 2012-04-11ZHEJIANG UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
ZHEJIANG UNIV
Publication Date
2012-04-11
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a pressure adaptive watertight connection box of an underwater robot. An oil inlet and an oil outlet are arranged at the bottom surface of a metal box; a flange is mounted at the top end opening of the metal box; a compensation film is placed on the flange; a sealing strip is arranged between the compensation film and the flange; a pressing plate is arranged on the compensation film; a protection cover is mounted on the pressing plate; a watertight connection box is filled with enough compensation oil; the compensation oil and the compensation film form a built-in metal film type pressure compensator; and the built-in metal film type pressure compensator works with a piston type pressure compensator at the same time. The pressure adaptive watertight connection box of the underwater robot does not need to be externally connected with a pressure compensator and an oil path, wherein the piston type pressure compensator makes the oil pressure in the watertight connection box be a little higher than the external water pressure, so that the seawater is effectively avoided being penetrated into the watertight connection box; the titanium film is good in extensibility, large in deformation range and difficult to damage; and the watertight connection box is compact and simple in structure and reliable in operation.
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Description

technical field

[0001] The invention relates to a watertight junction box, which is used for collecting and connecting underwater electrical circuits, and is suitable for underwater high-pressure environments, especially for various underwater robots working in deep sea. Background technique

[0002] Underwater robots play a very important role in the development of marine resources. The watertight junction box is an important and key component of the underwater robot, and generally adopts the structure of an external pressure compensator. The oil-filled watertight junction box communicates with the external pressure compensator through the oil circuit. When under pressure, the external pressure on the watertight junction box and the pressure compensator is greater than the internal pressure, the metal box of the watertight junction box will not be deformed, and the external pressure compensator will be deformed due to external pressure, and the pressure compensator The oi...

Claims

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