防止高压系统中气压泄露至低压系统的保护装置

Protecting device for preventing air pressure in high-pressure system from leaking to low-pressure system

Abstract

The utility model discloses a protecting device for preventing air pressure in a high-air pressure system from leaking to a low-air pressure system. The protecting device comprises the high-air pressure system and the low-air pressure system; an electric control valve is mounted on a pipeline between the high-air pressure system and the low-air pressure system; a pressure gage is arranged on the low-air pressure system; an intelligent numerical control meter is connected between the pressure gage and the electric control valve through a signal wire; an air pressure protecting parameter value is arranged in the intelligent numerical control meter; when the pressure value of the low-air pressure system is larger than the preset protecting parameter value, the opening/closing of the electric control valve is controlled by the intelligent numerical control meter, so that the air pressure is prevented from leaking. The protecting device provided by the utility model has a simple structure, can be used for effectively preventing safety accident and can be used for effectively protecting the safety of equipment and personnel.
本实用新型公开了防止高压系统中气压泄露至低压系统的保护装置,包括高气压系统和低气压系统,高气压系统和低气压系统之间的管道上安装有电动控制阀,低气压系统上设置有压力表,压力表和电动控制阀之间通过信号线连接智能数控表,智能数控表中设置气压保护参数值,当低气压系统压强值大于设定的保护参数值时,智能数控表控制电动控制阀门的关闭,防止气压的泄露,本实用新型需要保护的装置结构简单,能有效避免安全事故的发生,有效的保护了设备、人员的安全。

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