Active Phased Array Relay Antenna Temperature Control Device

Abstract

The invention provides an active phased array relay antenna temperature control device, which relates to the technical field of spacecraft thermal control, and includes equipment groups, antenna waveguides, heat pipes and heat dissipation plates. The heat dissipation plate is installed on the opposite side of the antenna waveguide and forms a The accommodating space, the equipment group is installed on the opposite side of the antenna waveguide and arranged in the accommodating space, the opposite side of the antenna waveguide is provided with an accommodating cavity, the heat pipe is installed in the accommodating cavity, the front and back sides of the antenna waveguide are sprayed White paint, the invention solves the problem of on-orbit temperature control of the active phased array relay antenna based on measures such as spraying white paint on the front of the waveguide of the active phased array relay antenna, adding a heat dissipation plate on the backside and placing a heat pipe in the concave cavity , greatly improve heat dissipation efficiency, effectively solve the problem of antenna temperature control, and can adapt to temperature requirements under different external heat flow conditions. The process is simple, easy to implement, and low cost.

Description

technical field [0001] The invention relates to the technical field of spacecraft thermal control, in particular to an active phased array relay antenna temperature control device. Background technique [0002] The active phased array relay antenna is a new type of relay antenna, which is characterized by the device cluster installed on a small area of ​​the antenna waveguide surface, which generates a lot of heat during operation, and due to the limitation of the satellite space structure, often Installed on the surface directly irradiated by sunlight, if effective thermal control measures are not taken, the temperature of the device will rise sharply during operation, which will lead to direct failure of the device. [0003] For the relay antenna, the conventional thermal control design method is to set a sufficient heat dissipation surface in the area of ​​the equipment installation surface according to the heat dissipation requirements of the equipment, and at the same t...

AI Technical Summary

Problems solved by technology

This method has simple thermal control measures, but has high absorption rate and low emissivity, limited heat dissipation capacity, and poor adaptability to external heat flow and space environment.

[0005] Patent document CN109511253A discloses a heat dissipation and temperature control technology for active phased array radar components, but the equipment required for the temperature control measures adopted in this design is heavy and costly, which affects the overall structural layout and has great limitations

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