Pull-rod-type intelligent integrated buried-type solenoid valve box

Abstract

Disclosed is a pull-rod-type intelligent integrated buried-type solenoid valve box. A box body is externally provided with a reset box. A reset lift rod and a valve position indicator are mounted in the reset box. A lower box main body is internally provided with a pull-rod reset-type solenoid valve, a transmission box internally provided with a motor and a valve position sensor, a filter element,a valve port and a blow-down valve. The reset lift rod is connected with a lifting frame through a motor transmission shaft. The lifting frame is connected with a reset pull rod of the solenoid valve. A valve position sensor remotely transmits a valve position state of the solenoid valve to a solenoid valve linkage control box in real time, wherein the solenoid valve linkage control box is connected with the valve position sensor. The bottom of the solenoid valve is connected with a cut-off valve disc. The filter element is mounted on a pipeline, connected with a fuel gas inlet pipeline, of the front end of the solenoid valve. The valve port is mounted at an outlet of the fuel gas inlet pipeline and opposite to the cut-off valve disc. A pipeline is mounted at the bottom end of the blow-down valve and communicates with the lowest position of the lower box main body. An indicator light power supply, a cut-off button and a reset button are mounted on a box door of a solenoid valve linkage control box. The pull-rod-type intelligent integrated buried-type solenoid valve box places the solenoid valve below the ground, and is fully functional, practical and safe.

Description

technical field [0001] The invention is applied to the field of gas transmission and distribution, and in particular relates to a tie-rod type intelligent integrated buried electromagnetic valve box, which can be widely used in gas transmission and distribution. Background technique [0002] With the development of science and technology and economic society, natural gas has been widely used. At the same time, the gas emergency shut-off valve, that is, the solenoid valve, which is an important component of the gas safety protection system, has also been widely used, realizing cutting off the gas supply in the event of an accident and reducing the risk. role. [0003] In practical applications, the solenoid valve is mostly used as a solenoid valve group with front and rear valves, bypass valves and auxiliary pipelines. During normal use, the front and rear valves of the solenoid valve are opened and the bypass valve is closed. During maintenance of the solenoid valve, the fro...

AI Technical Summary

Problems solved by technology

[0005] 1. The pipelines and valves of the solenoid valve group are not covered, which affects the overall appearance of the building;

[0006] 2. The front and rear valves are installed without locks, and the gas supply is easily damaged by human beings;

[0007] 3. The bypass valve is uncontrolled, and it is easy to be opened illegally. There is a risk that the solenoid valve cannot cut off the gas supply in the event of an accident and the alarm system will fail;

[0008] 4. The main pipe diameter of some solenoid valve groups is relatively large and occupies a large area;

[0009] 5. The target of the surface-mounted solenoid valve group is obvious, and there is a possibility of being attacked by terrorists;

[0010] 6. Most of the solenoid valve groups are installed close to the wall, which is difficult to meet the safety distance requirements in the gas regulations;

[0011] 7. The solenoid valve group is arranged in the open air and is close to the ground. If a leak occurs, the leaked gas will spread nearby and cannot be discharged to high altitude quickly, posing a safety hazard;

[0012] 8. As an integral part of the gas alarm system, the solenoid valve group is mostly a single actuator, which cannot directly feedback the status of the solenoid valve. Users can only judge indirectly through on-site observation or testing of gas appliances, and cannot quickly know the status of each part of the system;

[0013] 9. After the solenoid valve is cut off, it can only be manually reset on site, and remote automatic reset cannot be realized;

[0014] 10. The solenoid valve group is mostly linked with the gas alarm host to cut off the gas supply in the state of gas leakage. Generally, it is not directly linked with the fire alarm host. In the event of a fire instead of a gas leak, there is a hidden danger of secondary disasters

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