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CN-117022672-B - Thin film spacecraft

CN117022672BCN 117022672 BCN117022672 BCN 117022672BCN-117022672-B

Abstract

The invention discloses a thin film spacecraft which comprises communication electronic equipment, a star body, a cylinder body, a longitudinal telescopic mechanism, at least one thin film antenna structure and a folding structure, wherein an opening is formed in one side of the star body, the cylinder body is positioned at the opening and connected with the star body, a central hole of the cylinder body is communicated with the opening, one end of the longitudinal telescopic mechanism is connected with the star body, the other end of the longitudinal telescopic mechanism is connected with the communication electronic equipment so as to drive the communication electronic equipment to shrink into the star body or stretch out of the cylinder body, the thin film antenna structure is respectively connected with the communication electronic equipment, the longitudinal telescopic mechanism and the cylinder body so as to stretch along with the longitudinal telescopic mechanism, and the folding structure is arranged on the longitudinal telescopic mechanism and is positioned on one side of the communication electronic equipment far away from the star body. According to the invention, a part of the longitudinal telescopic mechanism is contracted into the star body, so that the film antenna structure is driven to fold and fold along the length direction and then coiled and folded between the folding structure and the cylinder body, and the space occupied by the folded film antenna structure on the star body is reduced.

Inventors

  • PENG FUJUN
  • MAO KELI

Assignees

  • 哈尔滨工业大学(深圳)(哈尔滨工业大学深圳科技创新研究院)

Dates

Publication Date
20260512
Application Date
20230915

Claims (8)

  1. 1. A thin film spacecraft comprising communication electronics, further comprising: A star, wherein one side of the star is provided with an opening; The cylinder is positioned at the opening and connected with the star, and the central hole of the cylinder is communicated with the opening; One end of the longitudinal telescopic mechanism is connected with the star body, and the other end of the longitudinal telescopic mechanism is connected with the communication electronic equipment so as to drive the communication electronic equipment to shrink into the star body or stretch out of the cylinder body; at least one film antenna structure connected with the communication electronic equipment, the longitudinal telescopic mechanism and the cylinder respectively so as to be telescopic along with the longitudinal telescopic mechanism; the folding structure is arranged on the longitudinal telescopic mechanism and is positioned at one side of the communication electronic equipment far away from the star, when the communication electronic equipment is positioned in the star, the folding structure can be sleeved outside the cylinder, and the film antenna structure is limited between the folding structure and the cylinder; the longitudinal telescopic mechanism comprises: one end of the longitudinal extending arm is fixedly connected with the star body, and the other end of the longitudinal extending arm is fixedly connected with the top end of the communication electronic equipment; One end of the support column is fixedly connected with the bottom end of the communication electronic equipment, and the other end of the support column is connected with the wrapping structure; The longitudinally extending arm includes: The air source is fixedly connected in the star body; the top end of the first sleeve is fixedly connected with the air source; one end of the second sleeve is connected in the first sleeve in a sliding way; one end of the third sleeve is connected in the second sleeve in a sliding way, and the other end of the third sleeve is fixedly connected with the communication electronic equipment; The gas transmission pipe, the one end of gas transmission pipe with the air supply is connected, the other end pass first sleeve second sleeve and behind the third sleeve with communication electronic equipment is connected, the air supply to the gas transmission pipe carries compressed gas, makes the third sleeve the second sleeve moves in proper order and extends, and drives the gas transmission pipe extends.
  2. 2. The thin film spacecraft of claim 1, the thin film spacecraft is characterized by further comprising: And the pod rod is connected with one end of the film antenna structure, one end of the pod rod is connected with the cylinder body, and the other end of the pod rod is limited between the wrapping structure and the cylinder body.
  3. 3. The thin film spacecraft of claim 2, wherein said containment structure comprises: The packing cylinder frame is arranged at one end, far away from the communication electronic equipment, of the support column, and a compressing and unlocking structure is sleeved on the outer side of the packing cylinder frame; The shaft end baffles are correspondingly arranged at the top end and the bottom end of the gathering cylinder frame; the limiting rotating shafts are connected between the two corresponding shaft end baffles.
  4. 4. A thin film spacecraft as claimed in claim 3, wherein the compression unlocking structure comprises: the mounting seats are circumferentially and uniformly distributed on the outer side of the gathering cylinder frame; the metal sleeves are arranged on the mounting seat; the two limiting blocks are symmetrically arranged on two sides of the cylinder body and fixedly connected with the bottom end of the star body, and the limiting blocks are positioned between the two metal sleeves; the unlocking units are symmetrically arranged on two sides of the cylinder body and fixedly connected with the bottom end of the star body, and the unlocking units are positioned between the two metal sleeves and are separated from the limiting block; the binding ropes pass through the metal sleeves, the two limiting blocks and the two unlocking units and are connected end to end.
  5. 5. The thin-film spacecraft of claim 4, wherein a thermal fuse for fusing the strapping lines is disposed in the unlocking unit, and connecting cylinders are disposed at opposite sides of the unlocking unit, and the strapping lines are still maintained in the connecting cylinders after the thermal fuse fuses the strapping lines, so as to prevent the strapping lines from drifting up and down after fusing.
  6. 6. The thin film spacecraft of claim 3, wherein said containment structure further comprises: and the damper is arranged at the bottom end of the folding cylinder frame and is connected with one end of the support column far away from the communication electronic equipment.
  7. 7. The thin film spacecraft of claim 6, wherein said damper comprises: the shell is fixedly connected to the bottom end of the folding cylinder frame; The inner core is arranged in the shell, is rotationally connected with the shell, and is fixedly connected with one end, far away from the communication electronic equipment, of the support column; And the viscous liquid is arranged between the shell and the inner core and is used for providing reverse damping force for the rotation of the inner core.
  8. 8. The thin film spacecraft of claim 2, wherein said thin film antenna structure comprises: one end of the thin film substrate is connected with the pod rod, and the other end of the thin film substrate is connected with the bottom end of the communication electronic equipment; And the antenna vibrators are arranged on the film substrate at intervals along the length direction of the film substrate.

Description

Thin film spacecraft Technical Field The invention relates to the technical field of spacecrafts, in particular to a thin-film spacecraft. Background The spacecraft is also called a spacecraft and a space vehicle and operates in space according to the law of astronomical mechanics. However, the existing spacecraft is composed of an independent star body and a unfolding mechanism, the unfolding mechanism is provided with a film antenna structure, and the surface of the star body is connected with the unfolding mechanism. In view of this, the prior art is still to be improved and enhanced. Disclosure of Invention In view of the above-mentioned shortcomings of the prior art, the present invention aims to provide a thin film spacecraft, which aims to solve the technical problem that the thin film antenna structure occupies too much space when transmitting along with a satellite. The technical scheme adopted for solving the technical problems is as follows: A thin film spacecraft, comprising communication electronics, further comprising: A star, wherein one side of the star is provided with an opening; The cylinder is positioned at the opening and connected with the star, and the central hole of the cylinder is communicated with the opening; One end of the longitudinal telescopic mechanism is connected with the star body, and the other end of the longitudinal telescopic mechanism is connected with the communication electronic equipment so as to drive the communication electronic equipment to shrink into the star body or stretch out of the cylinder body; at least one film antenna structure connected with the communication electronic equipment, the longitudinal telescopic mechanism and the cylinder respectively so as to be telescopic along with the longitudinal telescopic mechanism; The wrapping structure is arranged on the longitudinal telescopic mechanism and is positioned on one side, far away from the star, of the communication electronic equipment, and when the communication electronic equipment is positioned in the star, the wrapping structure can be sleeved outside the cylinder and limits the film antenna structure between the film antenna structure and the cylinder. As a further improvement, the longitudinal telescopic mechanism includes: one end of the longitudinal extending arm is fixedly connected with the star body, and the other end of the longitudinal extending arm is fixedly connected with the top end of the communication electronic equipment; and one end of the support column is fixedly connected with the bottom end of the communication electronic equipment, and the other end of the support column is connected with the wrapping structure. As a further improvement, the longitudinally extending arm includes: The air source is fixedly connected in the star body; the top end of the first sleeve is fixedly connected with the air source; one end of the second sleeve is connected in the first sleeve in a sliding way; one end of the third sleeve is connected in the second sleeve in a sliding way, and the other end of the third sleeve is fixedly connected with the communication electronic equipment; The gas transmission pipe, the one end of gas transmission pipe with the air supply is connected, the other end pass first sleeve second sleeve and behind the third sleeve with communication electronic equipment is connected, the air supply to the gas transmission pipe carries compressed gas, makes the third sleeve the second sleeve moves in proper order and extends, and drives the gas transmission pipe extends. As a further improved technical solution, the thin film spacecraft further comprises: And the pod rod is connected with one end of the film antenna structure, one end of the pod rod is connected with the cylinder body, and the other end of the pod rod is limited between the wrapping structure and the cylinder body. As a further improvement, the wrapping structure includes: The packing cylinder frame is arranged at one end, far away from the communication electronic equipment, of the support column, and a compressing and unlocking structure is sleeved on the outer side of the packing cylinder frame; The shaft end baffles are correspondingly arranged at the top end and the bottom end of the gathering cylinder frame; the limiting rotating shafts are connected between the two corresponding shaft end baffles. As a further improved technical scheme, the compressing and unlocking structure comprises: the mounting seats are circumferentially and uniformly distributed on the outer side of the gathering cylinder frame; the metal sleeves are arranged on the mounting seat; the two limiting blocks are symmetrically arranged on two sides of the cylinder body and fixedly connected with the bottom end of the star body, and the limiting blocks are positioned between the two metal sleeves; the unlocking units are symmetrically arranged on two sides of the cylinder body and fixedly connected with the bottom end of the star