JPH0522012A - Antenna for loading on satellite - Google Patents

Abstract

PURPOSE:To improve housing efficiency by increasing the number of reflection mirrors housed in the antenna for loading on a satellite. CONSTITUTION:This antenna is equipped with a satellite body structure 1, plural masts 6 erecting on it, developing mechanism 7 to turnably fit reflection mirrors 5 to the masts 6 near the outer periphery of the reflection mirrors 5, and clamping part 3 to clamp the reflection mirrors 5 in the case of housing the reflection mirrors. In the case of development, the holding of the reflection mirrors at the clamping part 3 is released, and the reflection mirrors are rotated around the masts and developed. The plural reflection mirrors are housed in the longitudinal direction of the masts.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a satellite deployment antenna.

[0002]

2. Description of the Related Art FIG. 4 is a side view of a conventional deployment antenna mounted on a satellite before deployment, FIG. 5 is a side view after deployment, and FIG.
Shown in. 1 is a satellite structure, 2 is an antenna tower, 3 is a holding and releasing mechanism, 4 is a deploying mechanism, and 5 is an antenna reflector.
The antenna reflecting mirror 5 is housed in the form shown in FIG. 4 when it is housed in the rocket fairing at the time of launch, and via the deployment mechanism 4 installed on the edge of the upper surface of the satellite structure 1. Connected to the satellite structure 1, and the reflecting mirror 5
The tip of is connected and fixed to the tower 2 by the holding and releasing mechanism 3. During operation, the holding and releasing mechanism 3 and the reflecting mirror 5
The connecting portion is separated and the developing mechanism 4 is driven in the direction of arrow A so that the reflecting mirror 5 is expanded and set to a predetermined position.

[0003]

SUMMARY OF THE INVENTION With such a configuration,
Since the setting position of the reflecting mirror 5 is limited to the edge of the upper surface of the satellite structure 1, it is difficult to flexibly meet the demand for increasing the number of storing reflecting mirrors, and there is a problem in terms of storage efficiency. Remains.

The present invention aims to improve on these points.

[0005]

A feature of the present invention is that in a satellite-mounted antenna having a reflecting mirror, the satellite structure, a plurality of masts set up on the satellite structure, and the first mast are attached to the reflecting mirror. And a deployment mechanism for rotatably mounting around the mast around a rotation center near the first outer periphery thereof, and a second mirror mounted on the second mast and having a reflecting mirror substantially opposite in diameter to the rotation center. When the reflecting mirror is stored,
The deploying mechanism and the gripping part accommodate the reflecting mirror between the first and second masts, and when the reflecting mirror is deployed, the reflecting mirror is rotated around the first mast, and the second outer circumference is the first First, so that it is approximately on the extension of the mast and the second mast
It is in the satellite-mounted antenna that fixes the reflector by the mast.

[0006]

In the satellite deployment antenna mounted on the artificial satellite, the antenna reflecting mast for arranging and accommodating the antenna reflecting mirrors in multiple layers at the time of storage at the launch stage and the antenna reflecting mirror in the horizontal plane during operation By having the in-plane unfolding mechanism that secures the predetermined reflecting mirror setting position, it is possible to flexibly meet the demand for an increase in the number of reflecting mirrors to be stored, and it is possible to improve the storing efficiency.

[0007]

1A and 1B are perspective views of an embodiment according to the present invention, FIG. 2 is a side view before deployment, and FIG. 3 is a front view after deployment.
Shown in. Reference numeral 1 is a satellite structure, 3 is a holding and releasing mechanism, 5 is an antenna reflector, 6 is a reflector housing mast, and 7 is an in-plane deployment mechanism. An in-plane expanding mechanism 7 is attached to the inside of the mast 6, and the antenna reflecting mirror 5 is attached to the reflecting mirror housing mast 6 via the in-plane expanding mechanism 7.

In this structure, before the deployment at the launch stage, as shown in FIG. 2, the antenna reflecting mirror 5 is attached to the reflecting mirror housing mast 6 through the in-plane deploying mechanism 7 to form a multi-layered structure on the satellite structure 1. The holding / releasing mechanism 3 is arranged and its tip is attached to the storage mast 6 on the opposite side.
Connected and fixed by. In operation, as shown in FIG. 3, the antenna reflecting mirror 5 attached to the horizontal plane deploying mechanism 7 rotates in the horizontal plane about the deploying mechanism 7 to deploy the antenna reflecting mirror 5 to a predetermined position. Secure the position. Therefore, it is possible to flexibly respond to a demand for increasing the number of antenna reflecting mirrors to be stored by increasing the number of storing layers of the reflecting mirrors.

[0009]

As described above, the antenna for mounting a satellite according to the present invention is an antenna storage mast for arranging and storing the on-board antenna reflecting mirrors in a multi-layer manner at the time of storage at the launch stage. By having an in-plane unfolding mechanism that unfolds in the horizontal plane and secures a predetermined reflecting mirror setting position, it is possible to flexibly respond to a demand for an increase in the number of reflecting mirrors to be stored and to increase the storage efficiency. be able to.

[Brief description of drawings]

FIG. 1A is a perspective view of an antenna according to the present invention after deployment.

FIG. 1B is a perspective view of an antenna according to the present invention before deployment.

FIG. 2 is a side view of an antenna according to the present invention before deployment.

FIG. 3 is a front view of an antenna according to the present invention after deployment.

FIG. 4 is a side view of a conventional antenna before deployment.

FIG. 5 is a side view of a conventional antenna after deployment.

FIG. 6 is a front view of a conventional antenna after deployment.

[Explanation of symbols]

 1 satellite structure 2 antenna tower 3 holding / releasing mechanism 4 deployment mechanism 5 antenna reflector 6 reflector mirror storage mast 7 in-plane deployment mechanism

Claims (1)

Claim: What is claimed is: 1. An antenna for mounting a satellite having a reflecting mirror, comprising: a satellite structure; a plurality of masts set up on the satellite structure; A deployment mechanism that is rotatably mounted around the mast around the center of rotation near the outer periphery of the, and a second outer periphery of the reflecting mirror that is attached to the second mast and that is substantially opposite in diameter to the center of rotation. And a gripping means for gripping by the gripping part. When the reflecting mirror is stored, the reflecting mechanism is housed between the first and second masts by the expanding mechanism and the gripping part, and when the reflecting mirror is expanded, the reflecting mirror is moved to the first position. A satellite characterized by being rotated around a first mast and fixing a reflecting mirror by the first mast so that the second outer periphery is substantially located on an extension of the first mast and the second mast. Onboard antenna.