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Automatic switching-off system of emergency cut-off valve

A technology for automatically closing and shutting off valves, applied to valve details, safety valves, balance valves, etc., can solve problems such as electromagnetic mutual interference in the control system, and achieve the effect of emergency shut-off

Pending Publication Date: 2019-05-07
江阴苏耀机电有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, all products that can automatically close the emergency shut-off valve on the market are designed to share the power supply with the running vehicle, so there is electromagnetic interference with the control system of the running vehicle

Method used

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  • Automatic switching-off system of emergency cut-off valve
  • Automatic switching-off system of emergency cut-off valve
  • Automatic switching-off system of emergency cut-off valve

Examples

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Embodiment Construction

[0021] The present invention will be further described by taking an oil tank truck as an example in combination with specific control examples. However, the following specific circuit is only a feasible way to realize the solution of the present invention, and is not a specific limitation to the solution of the present invention.

[0022] The power supply system of the whole vehicle should be turned off during the filling and unloading process of the oil tanker, and the car key should be placed in the designated position of the oil depot. When the vehicle is loading and unloading, the high-pressure gas on the vehicle will open the emergency cut-off device. The emergency cut-off valve should be closed, the power supply should be turned on with the car key, and the vehicle should be started;

[0023] The scheme of the present invention is as figure 1 As shown, the automatic closing system of the emergency shut-off valve includes three parts: the transmitter A, the sound and lig...

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PUM

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Abstract

The invention discloses an automatic switching-off system of an emergency cut-off valve. The system comprises a transmitter, a sound-light prompting system and an automatic delay switching-off system.Power is supplied to the three parts through a self-contained power source, the self-contained power source is connected with an air pressure switch, an electric air valve is arranged on a control air way of the emergency cut-off valve, when the air pressure switch of an oil tank truck is switched on through vehicle-mounted high-pressure gas, the self-contained power source is switched on, the transmitter is controlled by a vehicle operation power source, after a wireless signal is transmitted, the sound-light prompting system is triggered to be switched on, the automatic delay switching-offsystem is triggered to switch off the electric air valve in a delayed manner, and therefore the emergency cut-off valve is switched off. According to the system, a vehicle operation moment serves as astarting point, the signal is transmitted through electromagnetic induction of the vehicle power source, the electric air valve and the emergency cut-off valve are switched off through delay time control, meanwhile, the self-contained power source is adopted for the system, whether the self-contained power source supplies power or not is controlled through the air pressure switch, and emergency cut-off can be effectively achieved.

Description

technical field [0001] The invention belongs to the technical field of mechanical automation control, and relates to an automatic closing system of an emergency shut-off valve, in particular to an automatic closing system of an emergency shut-off valve capable of resisting electromagnetic interference and having a self-provided power supply with low power consumption. Background technique [0002] With the strengthening of people's safety awareness, the government's laws on safety methods are becoming more and more perfect. For some special vehicles such as: oil tank trucks, tank trucks for corrosive materials, tank trucks for flammable liquids and other dangerous goods transport vehicles It is stipulated that sea valves must be installed. Submarine valve, also known as built-in safety stop valve and emergency shut-off valve, is generally pneumatically controlled and closed when there is no air source. Submarine valves are usually safety valves installed at the loading and ...

Claims

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Application Information

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IPC IPC(8): F16K17/00F16K31/06
Inventor 蒋宇强万亮斌芮冰如钱玮林须涛
Owner 江阴苏耀机电有限公司
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