A dual-component liquid propellant liquid level measurement and control device

Abstract

The invention discloses a liquid bipropellant liquid level measuring and control device which comprises an engine liquid storage tank. A spray thrower is mounted at the top of the engine liquid storage tank and connected with a hopper through an electric rubber hose valve. A pressure testing plate is perpendicularly placed in the engine liquid storage tank. Pressure sensor groups are fixed to the pressure testing plate. Signal output ends of the pressure sensor groups are connected with the input end of a data processor through a data transmission line. The first output end of the data processor is connected with the input end of an electric valve control system. The output end of the electric valve control system is connected with the control end of the electric rubber hose valve. The second output end of the data processor is connected with the input end of a liquid crystal display. By adoption of the liquid bipropellant liquid level measuring and control device, the liquid levels of two-component liquid incompatible with each other can be automatically measured in real time, the liquid pouring speed can further be automatically controlled according to liquid level position conditions, and measuring results are not affected by environmental factors such as the temperature and gas pressure, so that the measuring accuracy is higher.

Description

technical field [0001] The invention belongs to the technical field of liquid level measurement and control, and in particular relates to a liquid level measurement and control device for a bicomponent liquid propellant. Background technique [0002] As an important carrier of manned spaceflight technology and military weapons, liquid rocket has the characteristics of high speed and long sailing distance. According to the number of liquid components contained, the propellants of liquid rockets can be divided into single-component and dual-component propellants. Modern liquid propellant rocket engines almost exclusively use bipropellant liquid propellants because of their higher performance, safety and ease of regulation compared to monopropellant liquid propellants. [0003] The total pouring amount of rocket engine propellant has extremely strict requirements. Too little pouring will not be able to complete the flight mission, and too much pouring will increase the overall...

AI Technical Summary

Problems solved by technology

However, these existing technical methods or devices have good measurement accuracy and applicability for the measurement of the liquid level of a single component, but cannot be directly applied to the measurement and control of the liquid level of a two-component or three-component liquid.

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