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Balance breather valve

A ventilation valve and balance technology, applied in the direction of balance valve, lift valve, valve details, etc., can solve the problems of poor sealing of balance ventilation valve, inability to ensure constant humidity in the box, and failure of components to operate normally, to achieve easy operation and structure. Simple and compact effect

Active Publication Date: 2017-08-18
SUZHOU JK ENERGY LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Therefore, the technical problem to be solved by the present invention is to overcome the poor sealing of the balance vent valve in the prior art, which cannot ensure that the humidity in the box is in a constant state, resulting in the problem that the components in the box cannot operate normally

Method used

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Embodiment 1

[0066] The present embodiment provides a kind of balanced ventilation valve, such as Figure 1-Figure 9 As shown, it includes a housing 1, a first waterproof and gas-permeable membrane 2, a dynamic sealing structure, a second waterproof and gas-permeable membrane 63, a first puncture component, a second puncture component 64, a first humidity detector 101, and a second humidity detector 102 , a controller, a protective cover 16 and a fixed assembly.

[0067] The housing 1 comprises a cavity and a bottom opening, such as figure 2 , image 3 and Figure 5 As shown, there is a protruding part 11 on the top surface, and an inwardly recessed installation groove 13 is provided on the side wall avoiding the protruding part 11; a plurality of first passages extending vertically to communicate with the outside world and the inner cavity are provided on the protruding part 11, The first waterproof gas-permeable membrane 2 is fixed on the bottom surface of the protrusion 11, and the ...

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Abstract

The invention discloses a balance breather valve which comprises a shell, a first waterproof breathing film and a dynamic sealing structure, wherein a protruding part is arranged on the top surface of the shell; the first waterproof breathing film is fixed at the bottom of the protruding part; the dynamic sealing structure is used for hermitically isolating the first waterproof breathing film from an inner cavity of the shell or communicating the first waterproof breathing film to the inner cavity of the shell; the dynamic sealing structure comprises a driving mechanism, a first sealing body which is hermitically arranged on the shell and surrounds the side wall of the first waterproof breathing film and a second sealing body opposite to the first sealing body along the vertical direction; the first waterproof breathing film is located in a cavity encircled by the first sealing body and the second sealing body; and the driving mechanism drives the second sealing body to move towards or away from the direction of the first sealing body, so that the second sealing body can be hermitically matched with the first sealing body or separated from the first sealing body. In case of an abnormal working condition, the first sealing body and the second sealing body realize sealing to prevent external water vapors from entering a box body, so that components in the box body can operate under constant humidity, and the sealing property of the balance breather valve is improved.

Description

technical field [0001] The invention relates to the technical field of valves, in particular to a balanced breathable valve. Background technique [0002] The balance vent valve can be applied to electric vehicle battery pack boxes, or high-pressure control boxes, or some sealed boxes that require high air pressure or humidity. Especially in the new energy auto parts pack battery pack, the balance vent valve is installed on the installation surface of the battery pack product. The vent valve can balance the internal and external air pressure balance when the internal pressure of the installation box changes, and the internal air pressure rises sharply. , the internal pressure can be released; at the same time, the breather valve plays the role of sealing and isolating the inside of the installation box from the outside world. [0003] The structure of the existing balance breathable valve is mostly as the balance breathable valve disclosed in Chinese patent document CN10609...

Claims

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Application Information

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IPC IPC(8): F16K17/16F16K24/04F16K1/00F16K31/06
CPCF16K1/00F16K17/16F16K24/04F16K31/0655Y02E60/10
Inventor 王东施敏捷胡谆人蔡乾
Owner SUZHOU JK ENERGY LTD
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