CN214122717U

CN214122717U - Satellite attitude control analog simulation equipment

Info

Publication number: CN214122717U
Application number: CN202120315379.0U
Authority: CN
Inventors: 项军华
Original assignee: Changsha Guoke Xinghe Enterprise Management Partnership LP
Current assignee: Changsha Guoke Xinghe Enterprise Management Partnership LP
Priority date: 2021-02-04
Filing date: 2021-02-04
Publication date: 2021-09-03
Anticipated expiration: 2031-02-04

Abstract

The utility model provides a satellite attitude control simulation device, which comprises a test platform, a supporting frame, an air source unit and an air floatation unit; the test platform is arranged on the supporting frame, the air source unit is arranged in the supporting frame, the air floatation unit is arranged at the bottom of the supporting frame and is connected with the air floatation unit, and high-pressure air is provided for the air floatation unit by the air source unit and is sprayed out by the air floatation unit, so that the whole equipment is in a suspension state, and the attitude control simulation of a heavier test device can be met.

Description

Satellite attitude control analog simulation equipment

Technical Field

The utility model relates to an analog simulation technical field refers in particular to a satellite attitude control analog simulation equipment.

Background

With the increasing maturity and development of satellite technology, microsatellites are concerned by many research institutions and universities due to their low cost, short cycle time, and the like. In the field of satellite technology and applications, attitude determination and control of satellites is one of the important aspects. Attitude determination is the process of studying the attitude fix of a satellite relative to some reference, while attitude control refers to the process of orienting the satellite in a prescribed or predetermined direction. In order to ensure the pointing accuracy required by the satellite during the in-orbit operation, the device for simulating the mechanical environment of the satellite in the outer space with small disturbance moment is more important.

At present, common air floating platforms in the market are special three-axis air floating platforms for aerospace research institutes, are large in size and large in load, mainly aim at large satellites as simulation objects, cannot move after equipment is installed, are high in use cost for development and simulation of micro satellites, and have great limitation in the field of micro satellites.

SUMMERY OF THE UTILITY MODEL

The experiment platform size to simulation equipment among the prior art is huge, unable removal, problem with high costs after the installation, the utility model provides a satellite attitude control analog simulation equipment.

In order to realize the technical purpose, the technical proposal of the utility model is that:

the satellite attitude control simulation device comprises a test platform, a supporting frame, an air source unit and an air floatation unit; the test platform is arranged on the supporting frame, the air source unit is arranged in the supporting frame, the air floatation unit is arranged at the bottom of the supporting frame and connected with the air floatation unit, and high-pressure air is provided for the air floatation unit by the air source unit and sprayed out by the air floatation unit, so that the whole equipment is in a suspension state.

As the utility model discloses an optimal scheme, test platform is for installing a flat board in the braced frame top, is provided with a plurality of mounting holes on the test flat board for install fixed test accessory.

As the utility model discloses an optimal scheme, braced frame is aluminum alloy frame, test platform is the aluminum alloy flat board, and test platform passes through bolted mounting with braced frame and is connected.

As a preferred embodiment of the present invention, the air source unit includes more than one air storage container, an air supply pipeline connected to the air storage container, and an instrument and a valve on the air supply pipeline.

As the utility model discloses a preferred scheme, be provided with gaseous filter of filtration, the high-pressure PE hose of transmission on the air supply line, ensure the relief valve of gas pressure safety, the solenoid valve of control gas circuit break-make, replenish the gas charging valve of gas storage container gas, release the gas supply valve of gas storage container gas, with the relief pressure valve of the high-pressure gas decompression of gas storage container, show the high-pressure gauge of high-pressure gas pressure value in real time, show the low-pressure gauge and the air compressor of low-pressure gas pressure value in real time.

As the utility model discloses an optimal scheme, the air supporting unit includes more than one air supporting pad, and each air supporting pad is connected with the air supply unit, and the gas pocket has been seted up to the bottom surface of air supporting pad, and the air supporting pad is carried to the gas that comes from the air supply unit, and the gas pocket blowout through air supporting pad bottom surface for whole equipment is in the suspended state.

As the preferred scheme of the utility model, the even dispersion of more than one air supporting cushion is distributed in the braced frame bottom.

As the preferred scheme of the utility model, the air supporting stacks up and is provided with the air pipe connector that is used for connecting the air supply line.

As the utility model discloses a preferred scheme, the braced frame bottom is provided with the bottom plate, is provided with a plurality of mounting holes on the bottom plate.

As the preferred scheme of the utility model, the air supporting pad passes through on the mounting hole of bolt erection joint on the bottom plate.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model discloses an air supply unit provides high-pressure gas for the air supporting unit and by the air supporting unit blowout for whole equipment is in the suspension state, can satisfy the attitude control analog simulation of heavier experimental device.

The utility model provides a but satellite attitude control analog simulation equipment is free after accomplishing and is removed, compares with large-scale air supporting platform with low costs to have gas container, can carry out the analogue test of short time under the environment that does not have the air supply, the time length that lasts is relevant with gas holder capacity, and the effectual attitude control analog simulation who has satisfied the satellite.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a schematic structural diagram of an embodiment;

FIG. 3 is a schematic structural diagram of an embodiment;

FIG. 4 is a front view of an embodiment;

FIG. 5 is a rear view of an embodiment;

FIG. 6 is a left side view of an embodiment;

FIG. 7 is a right side view of an embodiment;

FIG. 8 is a top view of an embodiment;

FIG. 9 is a bottom view of an embodiment;

reference numbers in the figures:

1. a test platform; 2. a support frame; 3. an instrument mounting plate; 4. an inflation valve; 5. an air supply valve; 6. a high pressure gauge; 7. a pressure reducing valve; 8. a low pressure gauge; 9. an air filter; 10. a high pressure PE hose; 11. an electromagnetic valve; 12. a safety valve; 13. a first gas storage container; 14. a second gas storage container; 15. a third gas storage container; 16. a first air bearing cushion; 17. a second air bearing cushion; 18. a third air-bearing cushion; 19. a base plate; 20. a gas storage container limiting hoop; 21. an air filter limiting hoop; 22. fixing a bracket; 23. a three-way joint; 24. an inflation valve switch key; 25. an air supply valve switch key; 26. a main gas pipe; 27. supporting the upright stanchion; 28. an external inflation connector; 29. a gas pipe joint.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection, physical connection or wireless communication connection; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

As shown in fig. 1 to 9, in the present embodiment, the satellite attitude control simulation apparatus includes a test platform 1, a support frame 2, an air source unit, and an air floating unit. The test platform 1 is arranged on the supporting frame 2, the air source unit is arranged in the supporting frame 2, the air floatation unit is arranged at the bottom of the supporting frame 2 and is connected with the air floatation unit, and high-pressure air is provided for the air floatation unit by the air source unit and is sprayed out by the air floatation unit, so that the whole equipment is in a suspension state.

The supporting frame 2 is an aluminum alloy frame formed by assembling right-angle aluminum alloy sections, the test platform 1 is an aluminum alloy flat plate horizontally arranged above the supporting frame 2, and the test platform 1 is connected with the supporting frame 2 through bolts. A plurality of mounting holes are formed in the test flat plate 1, and the mounting holes are screw holes and used for mounting and fixing test accessories. Referring to fig. 2 and 8, ten rows and ten columns of threaded holes are formed in the aluminum alloy test platform 1, are distributed in a matrix manner, and are used for fixing test accessories with different overall dimensions.

The supporting frame 2 is internally used for installing an air source unit. An instrument mounting plate 3 is mounted on one side of the support frame 2. The air source unit comprises more than one air storage container, an air supply pipeline connected with the air storage container, and an instrument and a valve on the air supply pipeline. The gas containers in this embodiment include a first gas container 13, a second gas container 14, and a third gas container 15. Each of the air containers is fixed at a set position inside the supporting frame 2 by an air container spacing clip 20 (or spacing bracket).

The air supply pipeline is provided with an air filter 9 for filtering air, a high-pressure PE hose 10 for transmitting air, a safety valve 12 for ensuring the safety of air pressure, an electromagnetic valve 11 for controlling the on-off of an air path, an inflation valve 4 for supplementing air in the air storage container, an air supply valve 5 for releasing air in the air storage container, a pressure reducing valve 7 for reducing the pressure of the high-pressure air stored in the air storage container, a high-pressure gauge 6 for displaying the pressure value of the high-pressure air in real time, a low-pressure gauge 8 for displaying the pressure value of the low-pressure air in real time, a main air pipe 26 and an air compressor (not shown in the figure). The air filter 9 is fixed in a set position inside the support frame 2 by an air filter spacing clip 21 (or spacing bracket). A plurality of fixing brackets 22 are further provided in the support frame 2 for fixing the respective components of the air supply line. A high-pressure gauge 6, a pressure reducing valve 7, a low-pressure gauge 8, an inflation valve 4, an inflation valve switch key 24, an air supply valve 5 and an air supply valve switch key 25 on an air supply pipeline are arranged on an instrument mounting plate 3. The pressure reducing valve can adjust the output air pressure according to actual conditions. The safety valve is used for ensuring the safety of the whole system, and the air is automatically discharged when the air pressure is greater than a set value. Inflation valve switch key 24, air feed valve switch key 25 adopt detachable design, can directly take off when not needing the use promptly, prevent in the experimentation maloperation from leading to the switch to open or close. Each gas storage container and each high-pressure gauge are connected to a main gas pipe 26 through high-pressure PE hoses, a safety valve 12 is mounted on the main gas pipe 26, the pressure of high-pressure gas of the system is not larger than a set value, the high-pressure gas is automatically discharged to protect the whole gas circuit system when the pressure exceeds the set value, the high-pressure gas passes through a pressure reducing valve 7 and then is connected with a solenoid valve 11 and a low-pressure gauge 8, the low-pressure gauge 8 displays the real-time gas pressure value after pressure reduction, and the low-pressure gas passes through the solenoid valve 11 and then is connected with gas pipe connectors 29 on three air flotation pads through a three-way connector 23.

In this embodiment, the air floating unit includes a first air floating cushion 16, a second air floating cushion 17, and a third air floating cushion 18, each of which is connected to the air source unit, and the bottom surface of each air floating cushion is provided with an air hole. Each air floating pad is provided with an air pipe joint 29 used for being connected with an air supply pipeline, the air pipe joint 29 is communicated with air holes, high-pressure air from an air source unit is conveyed to the air floating pad and is sprayed out through the air holes in the bottom surface of the air floating pad, and the whole equipment is in a suspension state. In practical application, the number of the air-bearing cushions can be increased or decreased according to the mass of the tested part. The air pipe connectors adopted in the embodiment all adopt quick-mounting quick-change connectors, so that the high-pressure PE hose can be replaced more quickly.

In this embodiment, the first air cushion 16, the second air cushion 17 and the third air cushion 18 are distributed at the bottom of the support frame in a balanced and dispersed manner. The bottom of the supporting frame 2 is provided with a bottom plate 19, the bottom plate 19 is provided with a plurality of mounting holes, and the mounting holes are screw holes. Each air floating pad is installed and connected on the installation hole on the bottom plate 19 through a bolt.

In summary, although the present invention has been described with reference to the preferred embodiments, it should be understood that the present invention is not limited thereto, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention.

Claims

1. Satellite attitude control analog simulation equipment is characterized in that: the device comprises a test platform, a supporting frame, an air source unit and an air floatation unit; the test platform is arranged on the supporting frame, the air source unit is arranged in the supporting frame, the air floatation unit is arranged at the bottom of the supporting frame and connected with the air floatation unit, and the air source unit provides high-pressure air for the air floatation unit, so that the whole equipment is in a suspension state.

2. The satellite attitude control analog simulation apparatus according to claim 1, characterized in that: the test platform is a flat plate arranged above the supporting frame, and a plurality of mounting holes are formed in the test flat plate and used for mounting and fixing test accessories.

3. The satellite attitude control analog simulation apparatus according to claim 2, characterized in that: the supporting frame is an aluminum alloy frame, the test platform is an aluminum alloy flat plate, and the test platform is connected with the supporting frame through bolts in an installing mode.

4. The satellite attitude control analog simulation apparatus according to claim 1, 2 or 3, characterized in that: the air source unit comprises more than one air storage container, an air supply pipeline connected with the air storage container, and an instrument and a valve on the air supply pipeline.

5. The satellite attitude control analog simulation apparatus according to claim 4, characterized in that: the gas supply pipeline is provided with a filter for filtering gas, a high-pressure PE hose for transmitting gas, a safety valve for ensuring the safety of gas pressure, an electromagnetic valve for controlling the on-off of a gas circuit, an inflation valve for supplementing gas in the gas storage container, a gas supply valve for releasing gas in the gas storage container, a pressure reducing valve for reducing the pressure of the high-pressure gas stored in the gas storage container, a high-pressure gauge for displaying the pressure value of the high-pressure gas in real time, a low-pressure gauge for displaying the pressure value of the low-pressure gas in real time and an air compressor.

6. The satellite attitude control analog simulation apparatus according to claim 1, 2, 3 or 5, characterized in that: the air floatation unit comprises more than one air floatation cushion, each air floatation cushion is connected with the air source unit, air holes are formed in the bottom surface of each air floatation cushion, air from the air source unit is conveyed to the air floatation cushions, and the air holes in the bottom surface of each air floatation cushion are sprayed out, so that the whole equipment is in a suspension state.

7. The satellite attitude control analog simulation apparatus according to claim 6, characterized in that: more than one air-float cushion is evenly distributed at the bottom of the supporting frame.

8. The satellite attitude control analog simulation apparatus according to claim 6, characterized in that: and the air floating pad is provided with an air pipe joint for connecting an air supply pipeline.

9. The satellite attitude control analog simulation apparatus according to claim 7 or 8, characterized in that: the bottom of the supporting frame is provided with a bottom plate, and the bottom plate is provided with a plurality of mounting holes.

10. The satellite attitude control analog simulation apparatus of claim 9, characterized in that: the air floating cushion is installed and connected on the installation hole on the bottom plate through a bolt.