Active and passive comprehensive thermal control design method for aerospace multifunctional structure battery

Abstract

The invention discloses an active and passive comprehensive thermal control design method for an aerospace multifunctional structure battery, and belongs to the technical field of aerospace thermal control. The method comprises the following steps: firstly, respectively designing a distributed active control measure and a passive thermal control measure based on multistage temperature control according to the configuration, heat consumption parameters and thermophysical parameters of the multifunctional structural battery; establishing a thermal analysis model of the multifunctional structure battery by adopting commercial thermal analysis software, setting boundary conditions of the multifunctional structure battery, and performing on-orbit working condition thermal analysis to obtain temperature field distribution of the multifunctional structure battery; and finally evaluating whether the temperature range and the temperature difference of the multifunctional structure battery meet index requirements. An effective active and passive comprehensive thermal control design scheme is provided for the multifunctional structure battery of the spacecraft, the working temperature requirement of the battery and the temperature difference requirement between the single batteries are met, and good adaptability and reliability are achieved.

Description

technical field [0001] The invention belongs to the technical field of aerospace thermal control, and in particular relates to an active and passive comprehensive thermal control design method of an aerospace multifunctional structural battery. Background technique [0002] The power supply system is one of the main support systems of the spacecraft, and the power supply with the function of converting and storing electric energy is the key equipment that affects the performance, life and reliability of the spacecraft. With the development of science and technology, a multifunctional structural battery integrating power supply, load bearing and vibration reduction functions has been developed in the field of spacecraft power supply. This new type of battery directly embeds the single battery into the deck, which not only saves space, but also can effectively absorb the vibration of the deck, and adapts to the requirements of space launch on the volume and mechanical environm...

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Problems solved by technology

[0003] The main purpose of the present invention is to provide an active and passive comprehensive thermal control design method for aerospace multifunctional structural batteries, aiming to solve the problem that existing thermal control design methods are difficult to meet the working temperature requirements of aerospace multifunctional structural batteries and the temperature difference between individual cells Asked technical questions

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