CN107202583B - Two-axis nano-type fine sun sensor - Google Patents
Two-axis nano-type fine sun sensor Download PDFInfo
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- CN107202583B CN107202583B CN201710338643.0A CN201710338643A CN107202583B CN 107202583 B CN107202583 B CN 107202583B CN 201710338643 A CN201710338643 A CN 201710338643A CN 107202583 B CN107202583 B CN 107202583B
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- base
- limiting plate
- beam limiting
- sun sensor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/24—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for cosmonautical navigation
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
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- Astronomy & Astrophysics (AREA)
- Automation & Control Theory (AREA)
- General Physics & Mathematics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
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Abstract
The invention discloses a two-axis nano-type precise sun sensor, which comprises a beam limiting plate (1), a base (2), a circuit board (3) and a micro connector (4); wherein, a step-type hole is arranged at the center of the beam limiting plate (1) for sunlight to pass through; the beam limiting plate (1) is fixed on the base (2); the circuit board (3) and the miniature connector (4) are fixed between the beam limiting plate (1) and the base (2). The two-axis nano-type fine sun sensor has the characteristics of simple structure, light weight, small volume and low power consumption, and is easy to install, calibrate, install and adjust; high reliability, strong anti-space stress capability and high measurement precision.
Description
Technical Field
The invention relates to the technical field of space, in particular to a two-axis nano-type fine sun sensor which is used for measuring satellite attitude.
Background
With the rapid development of kilogram-level nano-satellite and pico-satellite technologies, the method has great demands in the fields of space science, technical experiments, even application of satellites and the like. The nano satellite or pico satellite with certain functions operates in space, and like a big satellite, the sun sensor is also required to provide attitude measurement, but resources in the aspects of weight, volume, power consumption and the like which can be provided by the pico satellite are quite limited, and the mature sun sensor in the market at present basically exceeds the resource limit provided by the pico satellite of the nano satellite, so that the development of the precise sun sensor which is suitable for the resource constraint of the pico satellite is urgently needed.
Disclosure of Invention
The invention aims to provide a two-axis nano-type fine sun sensor which is simple in structure, easy to calibrate, adjust, light in weight, small in size and low in power consumption.
In order to achieve the purpose, the invention provides a two-axis nano-type precise sun sensor, which comprises a beam limiting plate 1, a base 2, a circuit board 3 and a micro connector 4; wherein, the center of the beam limiting plate 1 is provided with a step-type hole for sunlight to pass through; the beam limiting plate 1 is fixed on the base 2; the circuit board 3 and the miniature connector 4 are fixed between the beam limiting plate 1 and the base 2.
In the above technical solution, the fixing surface of the beam limiting plate 1 contacting the base 2 is a plane.
In the technical scheme, the center of the beam limiting plate 1 is provided with a stepped beam limiting right-angle square hole 5, and the side length of the right-angle square hole 5 is less than 10 mm.
In the technical scheme, the beam limiting plate 1 is fixed on the base 2 through four corners.
In the technical scheme, the fixed position of the beam limiting plate 1 is a sinking fan-shaped 7.
In the above technical solution, the base 2 adopts a fixing structure of 3 lugs 9, wherein two lugs 9 are located at two corners of one side of the base 2, and the other lug 9 is located at the middle position of the opposite side of the base 2.
In the above technical scheme, a sunken boss 8 is arranged in the base 2 and used for fixing the circuit board 3.
In the above technical solution, the micro connector 4 of the base 2 is installed at the middle position of one side of the two lugs 9.
In the above technical solution, the mounting hole of the miniature connector 4 of the base 2 is a beamless concave hole 10.
The invention has the advantages that:
1. the two-axis nano-type fine sun sensor has the advantages of simple and reliable structure and strong anti-aerospace stress capability;
2. the beam limiting plate of the sun sensor is an independent part, and the fixed surface adopts a flat plate mode, so that the adjustment and calibration of the contact ratio of the central position of the beam limiting hole and the central position of the circuit board detector are facilitated; the miniature connector is installed laterally and is positioned in the middle of the double lugs, so that the structure is compact, the installation is convenient, and the maximum size of the instrument is reduced as much as possible;
3. the nano-type two-axis fine sun sensor adopts the mounting mode of three lugs, so that the firmness in fixing is ensured, and the weight of an instrument can be reduced; the beam limiting hole four-corner sunken type installation mode is beneficial to controlling the overall size of the two-axis nano-type fine sun sensor, the weight of the instrument can be reduced, and the appearance attractiveness of the instrument is enhanced;
4. the miniature connector mounting hole adopts the sunken beamless concave hole, ensures that the miniature connector and the circuit board are integrally mounted after welding and debugging are finished, simplifies the assembly difficulty, ensures the assembly precision, and is favorable for improving the measurement precision of the nano-type precise sun sensor.
Drawings
Fig. 1 is a structural view of a two-axis nano-type fine sun sensor of the present invention.
Fig. 2 is a structural view of a two-axis nano-type fine sun sensor beam limiting plate of the present invention.
Fig. 3 is a structural view of a two-axis nano-type fine sun sensor base of the present invention.
The attached drawings are as follows:
1. restraint board 2, base 3, circuit board 4, miniature connector
5. Right-angle square hole 6, step structure 7, sunken fan-shaped
8. Sunken boss 9, lug 10, beamless concave hole
Detailed Description
The invention will now be further described with reference to the accompanying drawings.
Referring to fig. 1, the two-axis nano-type fine sun sensor of the present invention includes: the method comprises the following steps: a beam limiting plate 1 and a base 2. Wherein, the center of the beam limiting plate 1 is provided with a square hole, and the beam limiting plate is arranged on the base 2 in a four-corner fixed mode; the base 2 is of a single structure, the circuit board 3 and the miniature connector 4 are fixed on the base 2, and the two-axis nano-type fine sun sensor is fixed on the star body through a lug mounting hole in the base 2.
The components of the two-axis nano-type fine sun sensor will be further described below.
As shown in fig. 2, the beam limiting plate 1 has two main functions:
the size and the shape of an entering solar facula are limited through the size of the right-angle square hole 5, and the size of a view field of the sun sensor is limited through the step structure 6;
the center of the beam limiting plate 1 is easy to adjust to coincide with the center of a detector of the circuit board 3 of the base 2, and the attitude output precision is ensured. The four corners adopt the sunken fan-shaped 7 stations to reserve the through hole, not only is favorable to controlling the overall size of the accurate sun sensor of diaxon type, also can alleviate certain weight, has strengthened the pleasing to the eye of instrument appearance simultaneously.
As shown in fig. 3, the base 2 is a main structure of the two-axis nano-type fine sun sensor, and four sunken bosses 8 are arranged in the base and used for fixing the circuit board 3; the miniature connector 4 is installed laterally and is positioned in the middle of the double lugs 9, so that the structure is compact, the installation is convenient, the maximum size of an instrument is reduced as much as possible, meanwhile, the installation hole of the miniature connector 4 adopts the beamless concave hole 10, the integral installation after the welding and debugging of the miniature connector 4 and the circuit board 3 are finished is ensured, the assembly difficulty is simplified, and the assembly precision can also be ensured; the two-axis nano-type fine sun sensor adopts the mounting mode of three lugs, so that the firmness in fixing is ensured, and the weight of an instrument can be reduced.
The two-axis nano-type fine sun sensor can achieve the weight of the whole machine less than 50g, the visual field can achieve 140 degrees multiplied by 140 degrees and the full-visual-field measurement precision is superior to 0.1 degree under the conditions of high strength, small volume and low power consumption.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (4)
1. A two-axis nano-type precise sun sensor is characterized by comprising a beam limiting plate (1), a base (2), a circuit board (3) and a micro connector (4); wherein, a step-type hole is arranged at the center of the beam limiting plate (1) for sunlight to pass through; the beam limiting plate (1) is fixed on the base (2); the circuit board (3) and the miniature connector (4) are fixed between the beam limiting plate (1) and the base (2); the base (2) adopts a fixing structure of 3 lugs (9), wherein two lugs (9) are positioned at two corners of one side of the base (2), and the other lug (9) is positioned in the middle of the opposite side of the base (2); the miniature connector (4) of the base (2) is arranged in the middle of two lugs (9) positioned at two corners of one side of the base (2); the mounting hole of the miniature connector (4) of the base (2) adopts a beamless concave hole (10);
the center of the beam limiting plate (1) is provided with a stepped beam limiting right-angle square hole (5), and the side length of the right-angle square hole (5) is less than 10 mm; the fixed position of the beam limiting plate (1) is a sinking sector (7).
2. The two-nano type fine sun sensor according to claim 1, wherein the fixing surface of the beam limiting plate (1) contacting the base (2) is a plane.
3. The two-axis nano-type fine sun sensor according to claim 1, wherein the beam confining plate (1) is fixed to the base (2) by four corners.
4. The two-axis nano-type fine sun sensor according to claim 1, wherein the base (2) has a sunken boss (8) formed therein for fixing the circuit board (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710338643.0A CN107202583B (en) | 2017-05-12 | 2017-05-12 | Two-axis nano-type fine sun sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710338643.0A CN107202583B (en) | 2017-05-12 | 2017-05-12 | Two-axis nano-type fine sun sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107202583A CN107202583A (en) | 2017-09-26 |
| CN107202583B true CN107202583B (en) | 2020-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710338643.0A Active CN107202583B (en) | 2017-05-12 | 2017-05-12 | Two-axis nano-type fine sun sensor |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101941527A (en) * | 2010-09-08 | 2011-01-12 | 北京航空航天大学 | Multi-sensor integrated attitude determining system structure |
| CN103323000A (en) * | 2013-05-22 | 2013-09-25 | 上海新跃仪表厂 | Digital sun sensor light introducing apparatus, and frame structure member and installation method thereof |
| CN103411578A (en) * | 2013-07-25 | 2013-11-27 | 北京控制工程研究所 | Thick sun sensor for sun azimuth angle measurement |
| CN105136140A (en) * | 2015-09-24 | 2015-12-09 | 北京控制工程研究所 | Photoelectric assembly for biaxial miniature analog type sun sensor |
| CN105222776A (en) * | 2015-09-24 | 2016-01-06 | 北京控制工程研究所 | The analog sun sensor of a kind of dual-axis miniature |
| CN105928508A (en) * | 2016-04-22 | 2016-09-07 | 西北工业大学 | Networking wireless sun sensor system based on autonomous power supply |
-
2017
- 2017-05-12 CN CN201710338643.0A patent/CN107202583B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101941527A (en) * | 2010-09-08 | 2011-01-12 | 北京航空航天大学 | Multi-sensor integrated attitude determining system structure |
| CN103323000A (en) * | 2013-05-22 | 2013-09-25 | 上海新跃仪表厂 | Digital sun sensor light introducing apparatus, and frame structure member and installation method thereof |
| CN103411578A (en) * | 2013-07-25 | 2013-11-27 | 北京控制工程研究所 | Thick sun sensor for sun azimuth angle measurement |
| CN105136140A (en) * | 2015-09-24 | 2015-12-09 | 北京控制工程研究所 | Photoelectric assembly for biaxial miniature analog type sun sensor |
| CN105222776A (en) * | 2015-09-24 | 2016-01-06 | 北京控制工程研究所 | The analog sun sensor of a kind of dual-axis miniature |
| CN105928508A (en) * | 2016-04-22 | 2016-09-07 | 西北工业大学 | Networking wireless sun sensor system based on autonomous power supply |
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| Publication number | Publication date |
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| CN107202583A (en) | 2017-09-26 |
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