Cubic satellite releasing device

Abstract

A cubic satellite releasing device comprises a cabin locking and unlocking mechanism, a cabin door, a front frame component, a middle frame component, a side skin component, a push plate component, a bottom plate and a guide rail component. The front frame component, the middle frame component, the bottom plate and the guide rail component form a frame; the bottom plate is mounted on an aircraft mounting bracket; the guide rail component is mounted on the bottom plate; the front frame component and the middle frame component are fixed on the guide rail component; the side skin component coats the exterior of the frame; and the push plate component is positioned in the frame, is in sliding fit with the guide rail component and is in contact with the bottom plate through a spring. The cabin door is mounted on the front frame component and can rotate around a shaft on the front frame component; the cabin locking and unlocking mechanism is mounted on the front frame component and the middle frame component; when the cabin door is closed, the cabin locking and unlocking mechanism is used for locking the cabin door; and when a separating instruction is received, the cabin locking and unlocking mechanism releases restriction to the cabin door to open the cabin door. The cubic satellite releasing device has the advantages that reliable releasing can be realized, the cabin door can be reliably locked and a detection and vibration absorbing function is realized.

Description

Technical field [0001] The invention relates to a cube satellite release device, belonging to the field of separation of stars and arrows. Background technique [0002] The CubeSat refers to a micro-nano satellite with a regular shape and made using universal design standards. The standard CubeSat specification is 1 U (100×100×113.5mm). Based on this, it can be expanded to 2U (100×100×170.2mm), 3U (100×100×340.5mm), 6U (100×226.3× 340.5mm), 8U (226.3×226.3×226.3mm), 12U (226.3×226.3×340.5mm) and other specifications, it can provide all the functions of a normal satellite, including: attitude determination and control, uplink and downlink communication, power subsystem , Control and data management, antenna system, load and other functions. Due to the new integrated design method and highly integrated components, the CubeSat has the advantages of small size, light weight, low power consumption, short R&D cycle, low cost, low risk, simple ground equipment, and can be networked an...

AI Technical Summary

Problems solved by technology

[0006] One is that the locking and unlocking mechanism of the cabin door adopts a power source (such as a motor, an electromagnetic pin puller, etc.), which is non-redundant and prone to single-point failures, that is, when the power source fails, the cabin door cannot be opened

[0007] The second is that there is no self-detection capability when the hatch is opened and the push plate assembly is in place. When the ground station does not receive the CubeSat signal at the predetermined time after separation, it cannot be judged that the fault is caused by the CubeSat not being separated from the release device. The fault that went out was caused by the failure of the CubeSat itself after separation, which is not conducive to the post-event analysis and processing of the fault.

[0008] Third, most CubeSat release devices do not have an anti-rebound mechanism, which is used to avoid the rebound after the hatch hits the buffer plate. When the hatch hits the buffer plate and rebounds, it is easy to collide with the CubeSat during the ejection process.

[0009] The fourth is that the cube satellite is fixed inside the device through the guide rails, push plates and hatches on the surrounding walls, and there is no buffer measure between the cube satellite and the release device. As a result, the cube satellite cannot adapt to the launch of the launch vehicle Due to the vibration environment of the process, failures occur, or the CubeSat itself adopts high-level components that can adapt to the vibration environment, which increases the R&D cost of the CubeSat

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