Gas alternating system

A gas and valve body technology, applied in safety valves, engine components, balance valves, etc., can solve problems such as inability to adjust the amount of air exchange

Inactive Publication Date: 2013-03-27
安徽蓝德仪表有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing ventilation system only establishes indoor and outdoor air circulation c

Method used

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  • Gas alternating system

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Embodiment Construction

[0018] Embodiment 1 of the present invention provides a gas alternating system, such as Figure 1 to Figure 3 As shown, it includes: a valve body 10 installed on the mounting seat 20, a cavity is provided in the valve body 10, the cavity is connected to the valve body 10, a valve seat 5 is provided at one end of the cavity, and a valve seat 5 is provided on the side of the cavity. The wall communicates with the air outlet (the air outlet can be set on the valve body 10 or on the mounting seat 20), and the other end of the cavity is fixed with the fixed core pressure ring 2 by bolts; the fixed core pressure ring 2 is fixed by the bolts and the pressure cap 1 is fixed, and the fixed core pressure ring 2 and the pressure cap 1 are hollow for setting the valve needle 3, and the hollow area is connected with the air inlet (the air inlet can be set on the valve body 10 or on the mounting seat 20 ) communication; one end of the valve needle 3 is equipped with a pressure drive device,...

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Abstract

The invention discloses a gas alternating system which comprises a valve body, a fixed core pressing ring and valve needles, wherein the valve body is arranged on an installing seat, a cavity is arranged in the valve body, the cavity penetrates through the valve body, one end of the cavity is provided with a valve seat, the side wall of the cavity is communicated with an air outlet, and the other end of the cavity is fixed with the fixed core pressing ring; the fixed core pressing ring is fixed with a pressing cap, the fixed core pressing ring and the pressing cap are hollow, and the hollow areas are communicated with an air inlet; and the valve needles are arranged in the hollow areas of the fixed core pressing ring and the pressing cap, one ends of the valve needles are provided with a pressure driving device, and the other ends of the valve needles are connected with the valve seat. According to the gas alternating system, through changing the pressures exerted on the valve needles, the valve needles drive a valve core to generate different displacements so as to control the flow rates of gas paths in the valve needles and the valve seat, thereby realizing the adjustment on ventilation volume according to actual conditions.

Description

technical field [0001] The invention relates to a gas alternation system. Background technique [0002] In order to save energy and reduce noise, the living space and working space are gradually developing towards sealing and heat insulation. However, the above-mentioned spaces are not convenient for ventilation, and the carbon dioxide content will gradually increase, which is harmful to human health. Therefore, it is necessary to ventilate the above-mentioned space, exhaust the polluted air in the space to the outside, and introduce the fresh air from the outside to the inside. The existing ventilation system only establishes indoor and outdoor air circulation passages, but cannot adjust the ventilation volume, which needs to be improved urgently. Contents of the invention [0003] In view of the problems existing in the prior art, the purpose of the present invention is to provide a gas exchange system, through the implementation of the present invention, the ventilatio...

Claims

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Application Information

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IPC IPC(8): F16K17/20
Inventor 葛内林卢其军董雪梅
Owner 安徽蓝德仪表有限公司
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