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Explosion-proof valve

A technology for explosion-proof valves and peripheral parts, which is applied in the direction of valve devices, safety valves, balance valves, etc., and can solve problems such as poor explosion-proof performance and inability to achieve repeated explosion-proof

Active Publication Date: 2022-04-22
SVOLT ENERGY TECHNOLOGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the explosion-proof performance of explosion-proof valves on the market is poor, and repeated explosion-proof cannot be achieved, and there is room for improvement

Method used

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Embodiment Construction

[0038] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0039] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial" , "radial", "circumferential" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, which are only for the convenience of describing the present ...

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Abstract

The invention discloses an explosion-proof valve. The explosion-proof valve comprises: a slider, the slider is provided with air holes; a main structure, the slider is slidably matched with the main structure, the main structure is provided with the A ventilation passage connected to the ventilation hole, the main structure is suitable for being installed on the equipment to be pressure relieved; a shrapnel structure, the shrapnel structure is provided with a ventilation port and a shrapnel that can be stretched elastically, and the ventilation opening communicates with the ventilation passage And a gas-permeable film is provided at the vent port; wherein, the explosion-proof valve is configured such that when the inner cavity pressure of the device to be depressurized is greater than a preset pressure, the slider pushes away the shrapnel and forms a vent gap, The air-permeable gap is in communication with the inner cavity of the device to be depressurized. The explosion-proof valve of the embodiment of the present invention can realize the functions of ventilation and waterproof, and when thermal runaway occurs, the slider pushes away the shrapnel to form a breathable gap, which can realize safe explosion-proof, and the shrapnel can return to the original position after the pressure is released, realizing The explosion-proof function can be used repeatedly.

Description

technical field [0001] The invention relates to the technical field of pressure control equipment manufacturing, in particular to an explosion-proof valve. Background technique [0002] With the country's vigorous promotion of new energy, electric vehicles have become the mainstream trend in the future. The key to the design of electric vehicles is the three-electric technology, including power batteries, motors, and electronic controls. Among them, the power battery is the core power supply component of the vehicle. , which determines the key indicators such as the mileage, cost, service life, and safety of the vehicle. During the use of the power battery, gas will be generated due to repeated charging and discharging of the battery cell. In order to ensure the air pressure balance inside and outside the power battery and at the same time ensure the airtight performance of the power battery, the battery must be equipped with a waterproof and breathable valve. This waterproo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K17/08F16K17/164F16K24/04
CPCF16K17/08F16K17/164F16K24/04
Inventor 刘建华单小林曲凡多郑慧苗
Owner SVOLT ENERGY TECHNOLOGY CO LTD
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