Digitalized safety mechanism state conversion device

Abstract

The invention puts forward a digitalized safety mechanism state conversion device. A standard machine case is adopted as an external machine case; a front panel is mainly provided with a power sourceswitch, a state indicating lamp, a safety state conversion press button, a working state conversion press button, a display nixie tube, a ten-turn press button, a zero clearing press button and a socket connector (connected with a safety mechanism via an electric cable wire); a rear panel is mainly provided with actuation source input (powered via an external voltage-stabilized power source) and power supply (220V). An MCS-51 single-chip microcomputer is adopted in the machine case as a control core part, and corresponding counting operation and logic operation are realized because corresponding lead pins of the MCS-51 single-chip microcomputer are matched with a peripheral circuit. External instructions are sent to the single-chip microcomputer by an operator via press keys; after external press keys are detected via the single-chip microcomputer, a safety mechanism is controlled to perform state conversion operation according to different external press key instructions, and the number of conversion times is displayed. Via the digitalized safety mechanism state conversion device, reliability and production efficiency of production tests can be greatly improved, operation processes are simplified, a production test period for the safety mechanism is shortened, workloads can be reduced for the operator, and labor intensity can be lowered.

Description

technical field [0001] The invention relates to the technical field of equipment control, in particular to a digital safety mechanism state conversion device used for the mutual conversion between the insurance state and the working state in the safety mechanism production and testing process. Background technique [0002] The safety mechanism is like a highly reliable valve device, which is usually installed between the electric squib and the ignition cartridge, and can effectively cut off or connect the fire transmission and explosion transmission circuit channels of the solid rocket motor as required. [0003] The security mechanism has two states, the insurance state and the working state. When the safety mechanism is in the insurance state, it can effectively cut off the fire transmission and explosion transmission circuit channels to ensure that the rocket engine will not cause unexpected ignition of the engine due to interference from external uncertain factors during...

AI Technical Summary

Problems solved by technology

[0008] The current switching devices are manually pressed for switching control, which requires a lot of repetitive labor and is inefficient.

In addition, the existing conversion device has a simple appearance and does not have the basic appearance characteristics of the test instrument. It is connected to the corresponding parts of the external power supply and the safety mechanism with a terminal, which is easy to fall off and the connection reliability is not high.

At the same time, the accuracy of the time control strategy of the existing device depends on the time relay, the time accuracy is not ideal, and it is difficult to temporarily adjust the time parameters

Inconvenient to operate

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