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Underwater airtight cabin and underwater equipment with electronic components

A technology for sealing cabins and sealing spaces, which can be applied to underwater operation equipment, electrical components, electrical equipment shells/cabinets/drawers, etc. and reliable protection to avoid damage

Active Publication Date: 2021-10-01
SUBLUE UNDERWATER AI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The present invention provides an underwater airtight cabin and underwater equipment with electronic components to solve the problems in the above-mentioned prior art due to the limited pressure resistance of the waterproof breathable membrane and the low air pressure in the accommodation space. The technical problem that the cabin is prone to water leakage

Method used

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  • Underwater airtight cabin and underwater equipment with electronic components
  • Underwater airtight cabin and underwater equipment with electronic components
  • Underwater airtight cabin and underwater equipment with electronic components

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] figure 1 A schematic side view of the underwater airtight cabin provided in Embodiment 1 of the present invention; figure 2 for figure 1 A schematic diagram of the downward direction of the underwater airtight cabin shown; image 3 for figure 1 The sectional view of the shown underwater airtight cabin along the direction A-A. see Figure 1~Figure 3, in this embodiment, the underwater airtight cabin comprises shell 10, and shell 10 comprises upper shell 100 and lower shell 101, and upper shell 100 covers on lower shell 101, and upper shell 100 and lower shell A sealed space S is formed between the bodies 101, and the sealed space S can be used to store and accommodate some items that cannot come into contact with water, such as electronic components and the like.

[0043] The casing 10 is provided with a vent hole 102 that communicates the outside world with the sealed space S, and the vent hole 102 is provided with a first one-way valve 11, and the first one-way v...

Embodiment 2

[0052] In this embodiment, different from the above-mentioned embodiment 1, a gas source 13 is provided in the sealed space S, and the gas source 13 is used to release gas into the sealed space S when the air pressure in the sealed space S is lower than a set value. The set value can be set according to needs, specifically, it can be set at a value substantially equal to the atmospheric pressure. Generally, less than the set value indicates that the air pressure in the sealed space S is relatively small, and has a large gap with the normal atmospheric pressure outside.

[0053] In the above-mentioned embodiment 1, when the air pressure in the sealed space S is low or negative, although the first check valve 11 can protect the waterproof and breathable valve 12 in the underwater environment, it can maintain normal operation and avoid other problems. damage, so that the sealed space S can be maintained. However, when the underwater airtight cabin is taken out from the underwate...

Embodiment 3

[0066] In this embodiment, different from the above-mentioned Embodiment 1 and Embodiment 2, the gas source 13 is a gas generating device capable of generating gas through a chemical reaction.

[0067] In this embodiment, the gas source 13 generates gas through the reaction and releases it into the sealed space S. The gas source 13 does not store compressed gas, so the container storing the compressed gas will not explode. At the same time, when there is no need to release gas into the sealed space S, the substances used for the reaction are isolated from each other, which further ensures higher safety.

[0068] Specifically, substances used for chemical reaction to generate gas are stored in the gas generating device, and the gas generating device reacts all the stored chemical substances to generate gas at one time, and releases them into the sealed space S.

[0069] It should be noted that, as far as the implementation of the present invention is concerned, simple transform...

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Abstract

The invention relates to an underwater sealed cabin and underwater equipment with electronic components. The underwater airtight cabin includes a shell, which has a sealed space, and the shell is provided with a vent hole that communicates with the outside world and the sealed space. It is opened when the air pressure is greater than the set value; the end of the first one-way valve connected to the sealed space is provided with a waterproof and breathable valve. The above-mentioned underwater sealed cabin has a vent hole on the shell, a waterproof breathable valve is arranged at the vent hole, and a first one-way valve is arranged on the outside of the waterproof and breathable valve. When it is large, protect the waterproof and breathable valve to avoid damage to the waterproof and breathable valve due to excessive water pressure. At the same time, the pressure in the sealed space in the housing is relatively low, and when negative pressure is formed, the first one-way valve can protect the waterproof and breathable valve, avoiding the damage of the waterproof and breathable valve due to external water pressure, and making the sealed space in the underwater sealed cabin Can be maintained without being infiltrated by external water.

Description

technical field [0001] The invention relates to the technical field of sealing in underwater environments, in particular to an underwater airtight cabin and underwater equipment with electronic components. Background technique [0002] Electronic components are easily damaged when exposed to water. Therefore, underwater equipment with electronic components generally requires high underwater sealing performance, so as to protect the electronic components inside the equipment from damage. [0003] In the prior art, a sealed cabin is usually used to seal the electronic components. The airtight cabin includes a shell and a cover, and the shell and the cover enclose an accommodating space inside for accommodating electronic components; a sealing ring is arranged on the opposite end faces of the shell and the cover to seal the two, The greater the compression of the sealing ring, the better the sealing performance between the housing and the cover. In the underwater environment,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05K5/00H05K5/02H05K5/06B63C11/52
CPCB63C11/52H05K5/0004H05K5/0213H05K5/06
Inventor 魏建仓李忠瑞田胜存王震仝庆
Owner SUBLUE UNDERWATER AI CO LTD
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