A control system for anhydrous hydrazine engine test

Abstract

The invention relates to an anhydrous hydrazine engine test control system, which includes an engine, a falling pressure liquid propulsion system for delivering raw materials to the engine through a raw material delivery channel through high-pressure nitrogen; data acquisition equipment for collecting data information of the engine, and Send the data information of the engine to the data acquisition card; the temperature control device is used to control the heating or cooling of the engine according to the engine data information received from the data acquisition card; the ignition control device is used to control the industrial computer according to the received data acquisition card Command, control the raw material delivery of the engine through the ignition control solenoid valve; the data acquisition card is used to send the data information of the engine sent by the data acquisition device to the industrial computer. The invention is mainly applied to the ignition test of the aviation attitude control liquid engine, and its specific functions include data collection, data storage, data analysis and ignition control.

Description

technical field [0001] The invention relates to an anhydrous hydrazine engine hot test technology, in particular to an anhydrous hydrazine engine test control system for a small attitude control engine hot test. Background technique [0002] Since the 1960s, aerospace technology has been highly valued by various countries. Aerospace technology is not only closely related to national defense technology and national defense security, but also one of the most influential science and technology to the development of modern national economy. Aerospace technology is one of the most complex projects in human history, and space propulsion technology is an important part of aerospace technology. Existing space propulsion technology mainly relies on chemical energy propulsion, and an important branch of liquid rocket propulsion is monocomponent liquid rocket engine. [0003] Monocomponent liquid engines are mainly used for attitude control of various spacecraft, and also have importa...

AI Technical Summary

Problems solved by technology

The existing test control system has the following problems: 1. The degree of automation is low and a large amount of manual intervention is required

For example, the heating and cooling of the engine requires manual opening and closing, and a large amount of data in the test needs to be recorded manually; 2. Insufficient safety

The system does not set up a processing plan for abnormal data such as pressure and temperature; 3. The data processing function is insufficient, and it takes a lot of labor and time to make graphs after the test and calculate the specific impulse and other indicators.

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