Primary mirror assembly of large-aperture transmitter-telescope

Abstract

The utility model provides a primary mirror assembly of a large-aperture transmitter-telescope. The primary mirror assembly comprises a plurality of primary mirror modules; each primary mirror module comprises two primary mirror units, each primary mirror unit comprises a supporting frame and a plurality of primary mirrors, each primary mirror is arranged in the supporting frame and fixedly connected with the supporting frame, and each primary mirror faces one side of the supporting frame; the supporting frames are sequentially and rotationally connected to form an annular structure. And a locking structure is arranged between the supporting frames in the same primary mirror module. The primary mirror assembly of the large-aperture transmitter-telescope provided by the utility model is foldable, so that the volume of a satellite on-orbit platform occupied by the large-aperture transmitter-telescope can be reduced, and the volume of the satellite on-orbit platform can be further reduced.

Description

Technical Field

[0001] This utility model relates to the field of launching telescope technology, specifically to a primary mirror assembly of a large-aperture launching telescope. Background Technology

[0002] Laser systems, as a key component in the development of new capabilities, have long been a research hotspot. One of the key technologies that needs to be overcome during the development process is the laser system's acquisition, tracking, and aiming module. Its principle involves using detection methods to initially locate the target, then using a wide-angle camera to search for the target, followed by using a large-aperture telescope to turn and coarsely track the target, and finally locking onto the target with a narrow field of view. This module is the technological guarantee that the laser beam can accurately locate targets thousands of kilometers away.

[0003] According to laser principles, the aperture of a laser system is directly proportional to its power to the target. Therefore, under the same target power density requirements, increasing the aperture can reduce the requirements for the laser's mass and size. To reduce these technical specifications, the importance of developing large-aperture laser telescopes is self-evident.

[0004] Currently, large-aperture launch telescopes occupy a large volume of satellite on-orbit platforms, which can easily lead to resource waste and safety hazards. Utility Model Content

[0005] To address the problems in the prior art, this utility model provides a primary mirror assembly for a large-aperture transmitting telescope. The primary mirror assembly of the large-aperture transmitting telescope is foldable, which can reduce the volume occupied by the large-aperture transmitting telescope on the satellite's on-orbit platform, thereby reducing the volume of the satellite's on-orbit platform.

[0006] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0007] This application provides a primary mirror assembly for a large-aperture transmitting telescope, comprising: multiple primary mirror modules; each primary mirror module includes: two primary mirror units, each primary mirror unit includes: a support frame and multiple primary mirrors, each primary mirror being disposed within the support frame and fixedly connected to the support frame, each primary mirror facing one side of the support frame; each support frame being rotatably connected in sequence to form a ring structure; a locking structure is provided between the support frames in the same primary mirror module.

[0008] In one embodiment, the support frame is a right-angled trapezoid; the long right-angled sides of two support frames in the same main lens module are rotatably connected, and the non-parallel sides of two adjacent support frames that are not in the same main lens module are rotatably connected, wherein the non-parallel side is the side opposite to the long right-angled side.

[0009] In one embodiment, each primary mirror unit further includes a solar panel; the solar panel is fixedly connected to the support frame and is arranged back-to-back with the primary mirror.

[0010] In one embodiment, the primary mirror is a concave reflector with a reflective layer coated on its surface.

[0011] In one embodiment, the shape of the plurality of primary mirrors includes at least one of the following: circular, rectangular, and irregular shapes.

[0012] In one embodiment, each primary mirror unit further includes: a fixing frame;

[0013] The main mirror is set inside the fixed frame and snapped into the fixed frame; the fixed frame is fixedly connected to the support frame.

[0014] In one embodiment, the solar panel is a thin-film photovoltaic panel.

[0015] In one embodiment, the locking structure is a rotary locking ball joint or a fixing bolt.

[0016] In one embodiment, the support frame is a support frame made of carbon fiber or aluminum alloy.

[0017] In one embodiment, the locking structure connects the long right-angled sides of two support frames in the same main mirror module.

[0018] As can be seen from the above technical solution, this utility model provides a primary mirror assembly for a large-aperture launching telescope, comprising: multiple primary mirror modules; each primary mirror module includes: two primary mirror units, each primary mirror unit includes: a support frame and multiple primary mirrors, each primary mirror is disposed within the support frame and fixedly connected to the support frame, each primary mirror faces one side of the support frame; each support frame is sequentially rotatably connected to form a ring structure; a locking structure is provided between the support frames in the same primary mirror module; the primary mirror assembly of the large-aperture launching telescope is foldable, has a reliable structure, and can reduce the volume occupied by the large-aperture launching telescope on the satellite on-orbit platform, thereby reducing the volume of the satellite on-orbit platform, reducing resource consumption, and improving the safety of the satellite on-orbit platform; specifically, it can be used on an on-orbit platform carrying laser payloads (i.e., a satellite on-orbit platform), and has advantages such as increasing the laser power density to the target, reducing other technical requirements of the on-orbit platform, and being able to be stored in the cargo bay of a launch vehicle after folding, etc. It adopts mirror splicing technology and consists of a primary mirror, a support structure, and a locking structure. This application addresses the practical engineering needs of satellite on-orbit platforms by proposing a novel structure that integrates large-aperture foldable launch telescope technology with solar panels. By utilizing the large-area solar panels after deployment to power the platform within the limited space of the satellite on-orbit platform, this technological integration achieves a reduction in the size and mass of the satellite on-orbit platform, demonstrating significant application value.

[0019] It should be understood that the above general description and the following detailed description are merely exemplary and do not limit this application. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the inner structure of the primary mirror assembly of a large-aperture transmitting telescope after unfolding, according to one embodiment of this application.

[0022] Figure 2 This is a schematic diagram of the main mirror module in one embodiment of this application.

[0023] Figure 3 This is a schematic diagram of the inner structure of the primary mirror unit in one embodiment of this application.

[0024] Figure 4 This is a schematic diagram of the folding structure of the primary mirror assembly of a large-aperture transmitting telescope in one embodiment of this application.

[0025] Figure 5 This is a schematic diagram of the folding structure of the primary mirror assembly of a large-aperture transmitting telescope in another embodiment of this application.

[0026] Figure 6 This is a schematic diagram of the outer structure of the primary mirror assembly of a large-aperture transmitting telescope as unfolded in one embodiment of this application.

[0027] Figure 7 This is a schematic diagram of the outer structure of the primary mirror unit in one embodiment of this application.

[0028] Figure 8 This is a comparative schematic diagram of various primary mirror shapes in one embodiment of this application.

[0029] Icon labels:

[0030] 1. Main camera module;

[0031] 2. Primary mirror unit;

[0032] 3. Support frame;

[0033] 31. Longer right-angled side;

[0034] 32. Non-parallel edges;

[0035] 4. Main mirror;

[0036] 5. Locking structure;

[0037] 6. Solar panels. Detailed Implementation

[0038] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0039] Specific embodiments of the present invention are disclosed in detail with reference to the following description and accompanying drawings, indicating how the principles of the present invention can be employed. It should be understood that the embodiments of the present invention are not limited in scope. Within the spirit and scope of the appended claims, the embodiments of the present invention include many changes, modifications, and equivalents.

[0040] Features described and / or illustrated for one embodiment may be used in the same or similar manner in one or more other embodiments, combined with features in other embodiments, or substituted for features in other embodiments.

[0041] It should be emphasized that the term "including / comprises" as used herein refers to the presence of a feature, whole, step, or component, but does not exclude the presence or addition of one or more other features, wholes, steps, or components.

[0042] To address the problems existing in the aforementioned technologies, this invention adopts a new type of large-aperture foldable launch telescope primary mirror assembly structure that integrates with solar panels. By making full use of the satellite platform's volume, and given the limited size of the satellite platform, the unfolded large-area solar panels can be used to power the platform. Through technological integration, the effect of reducing the size and mass of the satellite platform is achieved.

[0043] This utility model provides an example of a primary mirror assembly for a large-aperture transmitting telescope, see [link to example]. Figures 1 to 4 The primary mirror assembly of this large-aperture launching telescope includes:

[0044] Multiple main mirror modules 1; each main mirror module includes: two main mirror units 2, each main mirror unit includes: a support frame 3 and multiple main mirrors 4, each main mirror is disposed in the support frame and fixedly connected to the support frame, each main mirror faces one side of the support frame; each support frame is rotatably connected in sequence to form a ring structure; a locking structure 5 is provided between the support frames in the same main mirror module.

[0045] Specifically, the rotating connection can be a shaft connection or a hinge connection, etc., which facilitates the folding or unfolding of the main mirror assembly. The locking structure can be a rotating locking ball joint or a fixing bolt, etc., which can lock the main mirror assembly after folding and / or unfolding, improving the stability of the main mirror assembly. The main mirror can be a concave reflector with a reflective layer coated on its surface. The reflective layer can be a high interference rate reflective layer. The reflective layer can be gold, silver, or a multilayer dielectric film with a thickness of 0.1cm to 5cm. The concave surfaces of all the main mirrors face the same side of the support frame, i.e., the inner side of the main mirror assembly. The support frame can be a support frame made of carbon fiber or aluminum alloy. Furthermore, to improve the reliability of the main mirror assembly, a locking structure can be provided between each support frame.

[0046] Preferably, the support frame is a right-angled trapezoid; the long right-angled sides 31 of two support frames in the same main lens module are rotatably connected, and the non-parallel sides 32 of two adjacent support frames not in the same main lens module are rotatably connected, wherein the non-parallel sides are the sides opposite to the long right-angled sides. The locking structure can connect the long right-angled sides of two support frames in the same main lens module.

[0047] As described above, the primary mirror assembly of the large-aperture launching telescope provided in this embodiment is foldable and has a reliable structure. It can reduce the volume occupied by the large-aperture launching telescope on the satellite's on-orbit platform, thereby reducing the volume of the satellite's on-orbit platform, reducing resource consumption, and improving the safety of the satellite's on-orbit platform.

[0048] like Figures 5 to 7 As shown, in one embodiment, each primary mirror unit further includes a solar panel 6; the solar panel 6 is fixedly connected to the support frame 3 and is arranged back-to-back with the primary mirror. The solar panel may face the other side of the support frame; the solar panel can be used to power the satellite's on-orbit platform. Preferably, the solar panel is a thin-film photovoltaic panel.

[0049] like Figure 8 As shown, in one embodiment, the shape of the plurality of primary mirrors includes at least one of the following: circular, rectangular, and irregular shapes.

[0050] To improve the reliability of the connection between the primary mirror and the support frame, in one embodiment, each primary mirror unit further includes: a fixing frame; the primary mirror is disposed within the fixing frame and snapped into it; the fixing frame is fixedly connected to the support frame. The fixing frame and the support frame can be fixedly connected by a connecting rod; the edge of the primary mirror can be welded into the fixing frame. The fixing frame can be made of carbon fiber or aluminum alloy. For example, if the primary mirror is circular, the fixing frame includes: a circular substrate and an annular frame fixedly disposed on the substrate. The inner ring of the annular frame has a groove, and the edge of the circular primary mirror can snap into the groove. The circular substrate can protect the circular primary mirror.

[0051] Based on the above, this application also provides an application example of a primary mirror assembly for a large-aperture transmitting telescope, including:

[0052] The primary mirror is a concave reflector with a reflective layer coated on its surface. This reflective layer has a high interference rate. It can be made of gold, silver, or a multilayer dielectric film, with a thickness ranging from 0.1 cm to 5 cm.

[0053] The solar panel is a thin-film photovoltaic panel. The solar panel is mounted on the outside, with a reflector inside, and supporting materials and a locking structure on the side. It uses a thin-film photovoltaic panel.

[0054] The supporting structure is made of carbon fiber or aluminum alloy; the locking structure includes fixing bolts, rotating locking ball joints, etc. The main mirror is assembled on the inside, and the main mirror, i.e., the assembly block, can be adjusted to a circular mirror, a rectangular mirror, or an irregular mirror surface according to requirements. The diameter of a single assembly block is 0.01m to 10m, and the number of blocks arranged is 10,000 to 100,000.

[0055] The support structure consists of two parts: a ring-shaped, square, or irregularly shaped fixing frame for the main mirror and a support frame, made of carbon fiber or aluminum alloy. The locking structure connects the solar panel to the edge of the main mirror and the supporting edges between the panels, using fixing bolts, rotating locking ball joints, etc.

[0056] As described above, the primary mirror assembly of the large-aperture transmitting telescope provided in this application example can greatly increase the upper limit of the transmitting aperture, reduce the requirements of other technical indicators of the laser system, and at the same time consider external solar panels to provide sufficient power and save space; it provides a new key technical design basis for improving the working power of space-based laser systems.

[0057] This utility model uses specific embodiments to illustrate the principle and implementation of the utility model. The above description of the embodiments is only for the purpose of helping to understand the method and core idea of ​​the utility model. At the same time, for those skilled in the art, there will be changes in the specific implementation and application scope based on the idea of ​​the utility model. Therefore, the content of this specification should not be construed as a limitation of the utility model.

Claims

1. A primary mirror assembly for a large-aperture transmitting telescope, characterized in that, include: Multiple main camera modules; Each main mirror module includes: two main mirror units, each main mirror unit includes: a support frame and multiple main mirrors, each of the main mirrors is disposed in the support frame and fixedly connected to the support frame, and each of the main mirrors faces one side of the support frame; Each of the aforementioned support frames is rotated and connected in sequence to form a ring structure; a locking structure is provided between the support frames in the same main mirror module.

2. The primary mirror assembly of the large-aperture transmitting telescope according to claim 1, characterized in that, The support frame is in the shape of a right trapezoid; The long right-angled sides of two support frames in the same main lens module are rotatably connected, and the non-parallel sides of two adjacent support frames that are not in the same main lens module are rotatably connected, wherein the non-parallel side is the side opposite to the long right-angled side.

3. The primary mirror assembly of the large-aperture transmitting telescope according to claim 1, characterized in that, Each primary mirror unit also includes: a solar panel; The solar panel is fixedly connected to the support frame and is arranged back-to-back with the main mirror.

4. The primary mirror assembly of the large-aperture transmitting telescope according to claim 1, characterized in that, The primary mirror is a concave reflective mirror with a reflective layer coated on its surface.

5. The primary mirror assembly of the large-aperture transmitting telescope according to claim 1, characterized in that, The shapes of the plurality of primary mirrors include at least one of the following: circular, rectangular, and irregular shapes.

6. The primary mirror assembly of the large-aperture transmitting telescope according to claim 1, characterized in that, Each primary lens unit also includes: a fixing frame; The main mirror is set inside the fixed frame and snapped into the fixed frame; the fixed frame is fixedly connected to the support frame.

7. The primary mirror assembly of the large-aperture transmitting telescope according to claim 3, characterized in that, The solar panel is a thin-film photovoltaic panel.

8. The primary mirror assembly of the large-aperture transmitting telescope according to claim 1, characterized in that, The locking structure is a rotating locking ball joint or a fixing bolt.

9. The primary mirror assembly of the large-aperture transmitting telescope according to claim 1, characterized in that, The support frame is made of carbon fiber or aluminum alloy.

10. The primary mirror assembly of the large-aperture transmitting telescope according to claim 2, characterized in that, The locking structure connects the long right-angled sides of the two support frames in the same main mirror module.

Images