Halon fire extinguisher filling process control equipment and method for filling process control

Abstract

The invention relates to filling process control equipment and method for a Halon fire extinguisher. The filling process control equipment for the Halon fire extinguisher is characterized in that the outlet of a nitrogen bottle is connected with a reducing valve of the nitrogen bottle; the outlet of the reducing valve is connected with a tee joint; the tee joint is connected with a nitrogen pressure meter and a nitrogen check valve respectively; the nitrogen check valve is connected with a deflation valve and a filling valve; the deflation valve is connected with a deflation opening; the tee joint is connected with a liquid bottle, a liquid pressure meter and a liquid check valve respectively; the liquid check valve is connected with the deflation valve; a special driving chip U2 for controlling four paths of different PWM (Pulse-Width Modulation) waveforms of a single chip microprocessor U1 is used for driving the reducing valve, the nitrogen check valve, the liquid check valve and the filling valve to open and close respectively; a feedback output opening on the special driving chip U2 outputs four paths of electric control valve state signals; the electric control valve state signals are sent to the signal chip microprocessor U1 through an SN74LS08D AND gate so as to detect the state of an electric control valve; liquid pressure and nitrogen pressure simulation signals are sent to the single chip microprocessor U1; liquid pressure and nitrogen pressure are collected through a sampling circuit, so that the control on the filling process is realized. According to the filling process control equipment and method for the Halon fire extinguisher provided by the invention, the single chip microprocessor is used for realizing full-automatic filling of the fire extinguisher; the filling process control equipment and method have the advantages of security, reliability and convenience in operation.

Description

technical field [0001] The invention relates to a safety process control device, in particular to the filling process control device and control method of multi-model halon fire extinguishing bottles for military use. Background technique [0002] After the successful trial production of halon 1211 in the 1960s in my country, it was gradually popularized and applied. In the early 1970s, Halon 1301 was successfully trial-produced. Because halon is a very efficient and widely applicable fire extinguishing agent, it is widely used in various industries. Although the halon fire extinguishing agent is very effective in extinguishing fires, it has a destructive effect on the atmospheric ozone layer. With the increasing call for protecting the atmosphere worldwide, my country has gradually reduced the production of halon fire extinguishing agents, decided to implement quota license management for the production of halon fire extinguishing agents, and promised to end in 2010, but ...

AI Technical Summary

Problems solved by technology

[0004] In short, combined with the characteristics of military equipment support, the lack of high-efficiency maintenance and support equipment has become a difficult problem affecting the maintenance and support of weaponry and equipment fire extinguishing (explosion suppression) systems and a bottleneck that restricts the further improvement of the overall maintenance and support capabilities of weaponry and equipment. Equipped with fire extinguishing ((explosion suppression) system support capabilities, to realize the supporting construction of support equipment

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