CN220817183U - Star sensor fixing device - Google Patents
Star sensor fixing device Download PDFInfo
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- CN220817183U CN220817183U CN202322788334.7U CN202322788334U CN220817183U CN 220817183 U CN220817183 U CN 220817183U CN 202322788334 U CN202322788334 U CN 202322788334U CN 220817183 U CN220817183 U CN 220817183U
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- support
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- satellite
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- 238000009434 installation Methods 0.000 claims abstract description 30
- 238000009413 insulation Methods 0.000 claims abstract description 11
- 239000002131 composite material Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 7
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 5
- 239000004917 carbon fiber Substances 0.000 claims description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 5
- 229920006231 aramid fiber Polymers 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 229910003407 AlSi10Mg Inorganic materials 0.000 claims description 3
- 238000004891 communication Methods 0.000 description 3
- 238000010146 3D printing Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000009429 distress Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of aerospace and discloses a star sensor fixing device. The star sensor fixing device comprises an Internet of things satellite, a support and a star sensor, wherein the top surface of the Internet of things satellite is provided with a mounting groove; the support is of a frame structure, the support is provided with a connecting surface and two installation surfaces which are arranged at an included angle, the connecting surface is attached to the bottom of the installation groove, the support is detachably connected with the satellite of the Internet of things, and a heat insulation pad is arranged between the support and the satellite of the Internet of things; the two star sensors are detachably mounted on the two mounting surfaces respectively. According to the star sensor fixing device provided by the utility model, the two mounting surfaces which are arranged in an included angle are arranged on the support, the two star sensors are respectively arranged on the two mounting surfaces, the two star sensors are arranged in a certain included angle, the structure is simple, the installation is convenient, and when one star sensor faces the earth, the other star sensor can still face the space, so that the satellite of the Internet of things can calculate the attitude in real time.
Description
Technical Field
The utility model relates to the technical field of aerospace, in particular to a star sensor fixing device.
Background
The space-based internet of things system has a wide coverage area, can realize global non-blind area communication, has strong system destructiveness, can still work normally under emergency conditions such as natural disasters, emergencies and the like, and has outstanding application advantages in the aspects of rescue and relief work and emergency guarantee. The space-based internet of things system can quickly establish a communication link and a command system for emergency disaster relief, provide emergency communication guarantee service for personal outgoing, and build a life protection line for people in distress in outdoor exercises.
The star sensor is an important component of the satellite attitude control system, can provide satellite attitude data for the space-based internet of things system, and can be used for correcting gyro drift. The star sensor takes the star as a reference source for attitude measurement, can output the vector direction of the star under the coordinates of the star sensor, and provides high-precision measurement data for attitude control and astronomical navigation of the spacecraft.
In the prior art, the star sensor is supported and fixed by adopting a plate structure generally, but the plate structure occupies a larger space, has a complex structure and is time-consuming and labor-consuming to install.
Disclosure of utility model
The utility model aims to provide a star sensor fixing device, which aims to solve the problems of complex structure and inconvenient installation of the existing fixing device and improve the installation efficiency and the use reliability of a star sensor.
To achieve the purpose, the utility model adopts the following technical scheme:
Star sensor fixing device includes:
the satellite comprises an Internet of things satellite, wherein the top surface of the Internet of things satellite is provided with an installation groove;
The support is provided with a connecting surface and two installation surfaces which are arranged at an included angle, the connecting surface is attached to the bottom of the installation groove, the support is detachably connected with the Internet of things satellite, and a heat insulation pad is arranged between the support and the Internet of things satellite;
The star sensors are detachably arranged on the two mounting surfaces respectively, so that the two star sensors are arranged in an included angle.
Optionally, the support includes many interconnect and is the connecting rod that the contained angle set up, and a plurality of the connecting rod is linear structure, and is remaining the connecting rod is broken line structure, adjacent be provided with the strengthening rib between the connecting rod.
Optionally, the material of the support is aluminum alloy.
Optionally, the material of the support is AlSi10Mg.
Optionally, the heat insulation pad is made of glass fiber composite material, carbon fiber composite material or aramid fiber composite material.
Optionally, baffles are arranged on two sides of the internet of things satellite at intervals, and the installation height of the star sensor is smaller than the height of the baffles.
Optionally, the star sensor is connected through the connecting seat with the support, the connecting seat includes first backup pad and the second backup pad that is parallel to each other, first backup pad with the second backup pad is connected through many support columns that are parallel to each other, the star sensor set up in first backup pad keep away from one side of support column, the second backup pad install in on the installation face.
Optionally, a plurality of first connecting holes are formed in the second supporting plate, a plurality of second connecting holes are formed in the mounting surface, the first connecting holes and the second connecting holes are arranged in a one-to-one correspondence mode, and the first threaded piece is threaded through the first connecting holes and the second connecting holes.
Optionally, the first connecting holes are four, and the four first connecting holes are uniformly distributed on the second supporting plate.
Optionally, a plurality of third connecting holes are formed in the connecting surface, a plurality of fourth connecting holes are formed in the bottom of the mounting groove, the third connecting holes and the fourth connecting holes are in one-to-one correspondence, and the second threaded piece penetrates through the third connecting holes and is in threaded connection with the fourth connecting holes.
The utility model has the beneficial effects that: according to the star sensor fixing device provided by the utility model, the support is provided with the two installation surfaces which are arranged in an included angle manner, and the two star sensors are respectively arranged on the two installation surfaces, so that the two star sensors are arranged in a certain included angle manner, the structure is simple, the installation is convenient, and when one star sensor faces the earth, the other star sensor can still face to space, so that the satellite of the Internet of things can calculate the attitude in real time; the heat insulation pad is arranged between the support and the satellite of the Internet of things, so that heat generated by the satellite of the Internet of things is prevented from being upwards transferred to the support and the star sensor, and the normal operation of the star sensor is prevented from being influenced; the support is installed in the mounting groove of the satellite of the Internet of things to reduce the mounting height of the star sensor, and prevent the occupation space of a carrier (such as a rocket) from being increased due to the excessively high mounting height.
Drawings
FIG. 1 is an exploded view of a star sensor fixture provided in an embodiment of the present utility model;
FIG. 2 is a schematic view of a star sensor fixture at a viewing angle according to an embodiment of the present utility model;
FIG. 3 is a top view of a star sensor fixture provided in an embodiment of the present utility model;
FIG. 4 is a schematic view of a structure of a support provided by an embodiment of the present utility model;
FIG. 5 is a schematic diagram of an assembly of a star sensor and a connection base according to an embodiment of the present utility model;
FIG. 6 is a schematic view illustrating assembly of a support and a connection base according to an embodiment of the present utility model
Fig. 7 is an assembly schematic diagram of an internet of things satellite and a support provided by an embodiment of the utility model.
In the figure:
100. an internet of things satellite; 110. a mounting groove; 120. a fourth connection hole;
200. A support; 210. a connection surface; 211. a third connection hole; 220. a mounting surface; 221. a second connection hole; 230. a connecting rod; 240. reinforcing ribs;
300. A star sensor;
400. A heat insulating mat;
500. A connecting seat; 510. a first support plate; 520. a second support plate; 530. a support column;
600. A baffle; 700. a first screw; 800. and a second screw.
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
The embodiment provides a star sensor fixing device, aims to solve the problems that an existing fixing device is complex in structure and inconvenient to install, and improves installation efficiency and use reliability of a star sensor.
As shown in fig. 1 to 7, the star sensor fixing device comprises an internet of things satellite 100, a support 200 and a star sensor 300, wherein the top surface of the internet of things satellite 100 is provided with a mounting groove 110; the support 200 is of a frame structure, the support 200 is provided with a connecting surface 210 and two installation surfaces 220 which are arranged at an included angle, the connecting surface 210 is attached to the bottom of the installation groove 110, the support 200 is detachably connected with the internet of things satellite 100, and a heat insulation pad 400 is arranged between the support 200 and the internet of things satellite 100; the two star sensors 300 are detachably mounted on the two mounting surfaces 220, respectively, so that the two star sensors 300 are disposed at an included angle.
According to the star sensor fixing device provided by the embodiment, through the arrangement of the support 200, two installation surfaces 220 which are arranged in an included angle are arranged on the support 200, and the two star sensors 300 are respectively arranged on the two installation surfaces 220, so that the two star sensors 300 are arranged in a certain included angle, the structure is simple, the installation is convenient, and when one star sensor 300 faces the earth during use, the other star sensor 300 can still face the space, so that the attitude of the Internet of things satellite 100 can be measured and calculated in real time; by arranging the heat insulation pad 400 between the support 200 and the internet of things satellite 100, heat generated by the internet of things satellite 100 is prevented from being upwards transferred to the support 200 and the star sensor 300, and normal operation of the star sensor 300 is prevented from being influenced; the support 200 is installed in the installation recess 110 of the internet of things satellite 100 to reduce the installation height of the star sensor 300, and prevent the occupation space of a vehicle (e.g., rocket) from being increased due to the excessive installation height.
In this embodiment, the support 200 may be manufactured by using a 3D printing technology, and the integral formation of the support 200 may be completed by 3D printing, so that the production cost is effectively reduced and the production efficiency is improved without using mechanical processing or any mold.
Referring to fig. 4, the support 200 includes a plurality of connecting rods 230 connected to each other and disposed at an included angle, a plurality of connecting rods 230 are in a straight line structure, the remaining connecting rods 230 are in a fold line structure, and reinforcing ribs 240 are disposed between adjacent connecting rods 230. By providing the reinforcing ribs 240, the overall rigidity of the support 200 can be effectively increased, and deformation caused by the pressure of the star sensor 300 can be prevented. The orientation of the ribs 240 may also be topologically optimized during processing to reduce weight.
Optionally, baffles 600 are disposed at intervals on two sides of the internet of things satellite 100, and the installation height of the star sensor 300 is smaller than the height of the baffles 600. By providing the baffle 600, the baffle 600 can protect not only the internet of things satellite 100 but also the star sensor 300 and the support 200 from external impact.
Optionally, the material of the support 200 is aluminum alloy, which has light weight and good tensile strength, and can effectively reduce the weight of the support 200. In this embodiment, the material of the support 200 is preferably AlSi10Mg.
Optionally, the heat insulation pad 400 is made of glass fiber composite material, carbon fiber composite material or aramid fiber composite material. The carbon fiber composite material has the characteristics of light weight, high mechanical strength and high temperature resistance; the glass fiber composite material has good insulating property, corrosion resistance and high temperature resistance; the aramid fiber composite material has the performances of high strength, high modulus, high temperature resistance and chemical corrosion resistance. In this embodiment, the heat insulation pad 400 is made of carbon fiber composite material. In other embodiments, one skilled in the art can set the specific materials of the insulation pad 400 according to the actual requirements.
In installation, referring to fig. 5, the star sensor 300 is connected to the support 200 through the connection base 500, the connection base 500 includes a first support plate 510 and a second support plate 520 which are parallel to each other, the first support plate 510 and the second support plate 520 are connected through a plurality of support columns 530 which are parallel to each other, the star sensor 300 is disposed on a side of the first support plate 510 away from the support columns 530, and the second support plate 520 is mounted on the mounting surface 220. The connection base 500 can appropriately increase the installation height of the star sensor 300, and secondly, gaps between the plurality of support columns 530 can serve as storage spaces for the connection harness, preventing the connection harness and other components from being wound.
Further, the second support plate 520 is provided with a plurality of first connection holes, the mounting surface 220 is provided with a plurality of second connection holes 221, the first connection holes and the second connection holes 221 are arranged in a one-to-one correspondence, and the first screw 700 is threaded into the first connection holes and the second connection holes 221, so that the assembly and the disassembly are convenient. Preferably, four first connection holes are provided, and the four first connection holes are uniformly distributed on the second support plate 520. In other embodiments, the number of the first connection holes may be set according to actual requirements.
In this embodiment, referring to fig. 4 and 7, the connection surface 210 is provided with a plurality of third connection holes 211, the bottom of the installation recess 110 is provided with a plurality of fourth connection holes 120, the plurality of third connection holes 211 and the plurality of fourth connection holes 120 are arranged in a one-to-one correspondence, and the second screw 800 passes through the third connection holes 211 and is screwed into the fourth connection holes 120, so that the assembly and the disassembly are convenient.
It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.
Claims (10)
1. Star sensor fixing device, characterized by includes:
the satellite comprises an internet of things satellite (100), wherein an installation groove (110) is formed in the top surface of the internet of things satellite (100);
The support (200) is of a frame structure, the support (200) is provided with a connecting surface (210) and two installation surfaces (220) which are arranged at an included angle, the connecting surface (210) is attached to the bottom of the installation groove (110), the support (200) is detachably connected with the Internet of things satellite (100), and a heat insulation pad (400) is arranged between the support (200) and the Internet of things satellite (100);
The star sensors (300) are detachably arranged on the two mounting surfaces (220) respectively, so that the two star sensors (300) are arranged at an included angle.
2. The star sensor fixing device according to claim 1, wherein the support (200) comprises a plurality of connecting rods (230) which are connected with each other and are arranged at an included angle, a plurality of connecting rods (230) are in a straight line structure, the rest of connecting rods (230) are in a fold line structure, and reinforcing ribs (240) are arranged between adjacent connecting rods (230).
3. The star sensor fixation device according to claim 1, characterized in that the material of the support (200) is an aluminum alloy.
4. A star sensor fixation according to claim 3, characterized in that the material of the support (200) is AlSi10Mg.
5. The star sensor fixation device according to claim 1, characterized in that the heat insulation pad (400) is made of glass fiber composite material, carbon fiber composite material or aramid fiber composite material.
6. The star sensor fixing device according to claim 1, wherein baffles (600) are arranged at two sides of the internet of things satellite (100) at intervals, and the installation height of the star sensor (300) is smaller than the height of the baffles (600).
7. The star sensor fixture of claim 1, wherein the star sensor (300) is connected to the support (200) through a connection base (500), the connection base (500) comprises a first support plate (510) and a second support plate (520) which are parallel to each other, the first support plate (510) and the second support plate (520) are connected through a plurality of support columns (530) which are parallel to each other, the star sensor (300) is disposed on a side of the first support plate (510) away from the support columns (530), and the second support plate (520) is mounted on the mounting surface (220).
8. The star sensor fixing device according to claim 7, wherein a plurality of first connection holes are formed in the second support plate (520), a plurality of second connection holes (221) are formed in the mounting surface (220), the plurality of first connection holes and the plurality of second connection holes (221) are arranged in a one-to-one correspondence manner, and a first screw (700) is screwed into the first connection holes and the second connection holes (221).
9. The star sensor fixation of claim 8, wherein four of the first connection holes are provided and four of the first connection holes are uniformly distributed on the second support plate (520).
10. The star sensor fixing device according to claim 1, wherein a plurality of third connecting holes (211) are provided on the connecting surface (210), a plurality of fourth connecting holes (120) are provided at the bottom of the mounting groove (110), the plurality of third connecting holes (211) and the plurality of fourth connecting holes (120) are provided in one-to-one correspondence, and a second screw member (800) passes through the third connecting holes (211) and is screwed into the fourth connecting holes (120).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322788334.7U CN220817183U (en) | 2023-10-17 | 2023-10-17 | Star sensor fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322788334.7U CN220817183U (en) | 2023-10-17 | 2023-10-17 | Star sensor fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220817183U true CN220817183U (en) | 2024-04-19 |
Family
ID=90700198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322788334.7U Active CN220817183U (en) | 2023-10-17 | 2023-10-17 | Star sensor fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220817183U (en) |
-
2023
- 2023-10-17 CN CN202322788334.7U patent/CN220817183U/en active Active
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