Electric propulsion system storage and supply unit and manufacturing method thereof

Abstract

The invention relates to the technical field of electric propulsion, in particular to an electric propulsion system storage and supply unit and a manufacturing method thereof, and the electric propulsion system storage and supply unit comprises a storage module, a force bearing module, a pressure regulating module, a flow control module and an electric connection module, wherein the storage moduleis disposed in the force bearing module, a cover flange at the lower end of the storage module is fixed at the bottom of the force bearing module through a bolt, the upper end of the force bearing module radially restrains a cover joint at the upper end of the storage module; the pressure regulating module is connected with the force bearing module through a connecting port, and the flow controlmodule is connected with the force bearing module through the connecting port; the electric connection module is connected with the force bearing module through an electric connector and electricallyconnected with the pressure regulating module and the flow control module through wires. The electric propulsion system storage and supply unit is simple and compact in structure, light in weight andhigh in duty efficiency, and the propellant regulation and control mode and capacity of the electric propulsion system storage and supply unit can meet the increasingly complex and diversified attitude and orbit control requirements of spacecrafts in the future.

Description

technical field [0001] The present application relates to the technical field of electric propulsion, in particular, to a storage and supply unit of an electric propulsion system and a manufacturing method thereof. Background technique [0002] The satellite propulsion system is an important satellite subsystem responsible for functions such as satellite orbit change, attitude adjustment, space braking, and de-orbiting. Compared with traditional chemical propulsion technology, electric propulsion technology has the advantages of high specific impulse, light weight, small size, compact structure, precise and adjustable thrust, and long life. Due to the requirements of long life and large speed increment, the application of electric propulsion technology in the aerospace field is becoming more and more extensive. The electric propulsion system is mainly composed of a thruster, a power processing unit, a storage and supply unit, and a management control unit. [0003] The sto...

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Problems solved by technology

[0004] The existing traditional satellite electric propulsion system storage and supply unit has problems such as heavy structure, scattered layout, low duty cycle efficiency, unstable output voltage, and inaccurate flow control. With the development of satellite and electric propulsion technology and the requirements of space missions The improvement of the storage and supply unit requires further reducing the structural weight, reducing the structure’s occupied volume, improving the space utilization rate, ensuring high reliability and high safety, and further improving the control accuracy of the pressure and flow of the propellant such as xenon

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