CN102946002A - Air-drop type satellite earth station communication system in motion - Google Patents
Air-drop type satellite earth station communication system in motion Download PDFInfo
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- CN102946002A CN102946002A CN2012104434655A CN201210443465A CN102946002A CN 102946002 A CN102946002 A CN 102946002A CN 2012104434655 A CN2012104434655 A CN 2012104434655A CN 201210443465 A CN201210443465 A CN 201210443465A CN 102946002 A CN102946002 A CN 102946002A
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Abstract
The invention provides an air-drop type satellite earth station communication system in motion. A vehicle-mounted satellite earth station communication system in motion is improved by the following measures: a vehicle body is reinforced; a glass reinforced plastic antenna housing is arranged; amd key equipment is subjected to vibration attenuation, i.e. A) antenna pedestal vibration attenuation, B) cabinet vibration attenuation and C) power amplifier vibration attenuation. The vehicle-mounted satellite communication system disclosed by the invention is free from the limitation of a region, and bears the task of remote satellite communication of an airborne unit and a command center after the airborne landing. The air-drop type satellite earth station communication system in motion is suitable for the air drop and airborne landing requirement of ''Y-8'' and ''IL76'', or is suitable for other users of the satellite earth station communication system in motion with the strong vibration impact environment. The air-drop type satellite earth station communication system in motion, which is disclosed by the invention, can bear the impact requirement that the effective transient duration is 25ms, and the peak acceleration is 30g.
Description
Technical field
The present invention relates to the communication in moving technical field, be specifically related to a kind of air-drop type communication in moving.
Background technology
Communication in moving is the abbreviation of " the ground satellite station communication system in mobile ".By the communication in moving system, but the mobile carrier such as vehicle, steamer, aircraft is the platform such as real-time tracking satellite in motion process, transmit incessantly the multimedia messagess such as voice, data, image, can satisfy the needs of the multimedia communication under various military-civil emergency communications and the mobile condition.The satellite automatic follow-up system guarantees satellite transmitting antenna accurate sensing to satellite when body movement.
Traditional vehicle-mounted communication in moving can not satisfy modernized information fighting army fast, motor driven war fighting requirement flexibly, more can not satisfy the needs of sky troops.Refer to system's satellite communications vehicle as example take the teacher, according to air cavalry division's motor driven Command Information System general requirement, the onboard satellite communication system should not be subjected to the restriction of region, should undertake the task of the long-range satellite communication of airborne troop and command centre after dropping from the air.Air cavalry division refers to that the satellite communications vehicle major function requires to be: 1, the hinge of long-range satellite communication and relaying; 2, when static and long-range satellite speech, the data communication of propping up gauze system satellite end station (0.9m portable satellite station) of advance middle realization and strategic satellite; 3, can add air cavalry division by ultrashort wave, shortwave and wireless bridge when static and in advancing and refer to system's field communication net, refer to that with the teacher system realizes voice/data communications, can teacher of the reception refer to system information and via satellite system forwards or via satellite system's receiving data information and refer to system forwards to the teacher; 4, realize the satellite channel link setup, tear chain open, the satellite data transmission has the via satellite function of transmission message, file; 5, satisfy the airborne requirement of air-drop.
But, traditional vehicle-mounted communication in moving can only meeting tier 2 highway transportation and instructions for use, can't satisfying mobile unit, to bear effective transient state duration in configuration behind the vehicle-mounted installation rack be 25ms, therefore peak accelerator is the impact of 30g, and developing airborne requirement of air-drop that the air-drop type satisfies sky troops in moving is affiliated field problems to be solved.
Summary of the invention
For the prior art above shortcomings, the object of the present invention is to provide a kind of air-drop type communication in moving, behind the configuration vehicle-mounted installation rack, can bear effective transient state duration as 25ms to satisfy mobile unit, peak accelerator is the impact requirement of 30g.
Realize above-mentioned purpose, the present invention adopts following technical scheme: a kind of air-drop type communication in moving, it is characterized in that, adopt following measure that vehicle-mounted communication in moving is improved:
1) car body is reinforced: the compartment is divided into two parts, and the centre arranges a vertical partition wall, and vertically the upper part of partition wall is done 30 ° of inclined-plane partition walls, and partition wall is all done skeleton with square steel tube; The car body top cut place adds a reinforcement, and compartment the right and left is connected as a single entity; In trunk sidewall cutting remainder square steel tube and its welding, to play booster action; Fix up an aerial wire the position at the car rear portion with antenna pedestal fixed mount of square steel tube welding, the two ends of fixed mount be fastened on the compartment about on two walls, below and the floor compartment of fixed mount are fastening, have strengthened the rigidity in compartment, the ability of raising compartment anti-vibration and impact;
2) fiberglass radome is set: adopt fiberglass to make radome, in establish reinforcement; The part that the lower limb of fiberglass radome connects with the compartment is thickeied design, and reinforcement is inlayed one deck steel plate, in order to hinge is installed and the both sides screw is installed; The correct position of glass fibre reinforced plastic cover (noting: do not interfere with antenna surface) increases reinforcement.
3) vibration damping of key equipment; A) vibration damping of antenna pedestal: at compartment aft antenna seat fixed mount 4 non-linear large damping shock absorbers are installed, the upper end of vibration isolator is bolted antenna pedestal, and the lower end is bolted on fixed mount.Find the position of centre of gravity of whole antenna pedestal accurately by cae analysis; B) rack vibration damping: rack II, rack III are holding townhouse rack, and its bottom is installed 8 non-linear large damping shock absorbers and carried out vibration damping; Drop to 10g through the impact that acts on the equipment behind the vibration damping.Rack II top installs the back vibration isolator additional, and rack III side installs vibration isolator additional; C) power amplifier vibration damping: four non-linear large damping shock absorbers are installed in the bottom at the power amplifier mounting bracket.
Further, described vibration isolator selected frequency is 5～25Hz, and rated load is the vibration isolator of 35kg; By vibration transmissibility＜1, vibration isolator is chosen in shock transmissibility＜0.7.
Further, the height of all vibration isolators is pressed≤the 100mm design, and the vibration damping displacement is pressed≤the 30mm design.
Compared to existing technology, the present invention has following beneficial effect:
Onboard satellite communication of the present invention system should not be subjected to the restriction of region, after dropping from the air, undertake the task of the long-range satellite communication of airborne troop and command centre, this air-drop type communication in moving is applicable to air-drop, airborne requirement, and perhaps other have the communication in moving user of judder shock environment.It is 25ms that air-drop type communication in moving of the present invention can bear effective transient state duration, and peak accelerator is the impact requirement of 30g.
Description of drawings
Fig. 1 is structural representation of the present invention.
Among the figure: 1-car body footing, 2-glass fibre reinforced plastic cover, the vibration damping of 3-antenna pedestal, 4-power amplifier vibration damping, 5-rack vibration damping.
Embodiment
A kind of air-drop type communication in moving is characterized in that, adopts following measure that vehicle-mounted communication in moving is improved:
1, car body is reinforced: the compartment is divided into two parts, and a vertical partition wall is done in the centre, and vertically the upper part of partition wall is done 30 ° of inclined-plane partition walls, and partition wall is all done skeleton with square steel tube.The car body top cut place adds a reinforcement, and compartment the right and left is connected as a single entity.In trunk sidewall cutting remainder square steel tube and its welding, to play booster action.Fix up an aerial wire the position at the car rear portion with antenna pedestal fixed mount of square steel tube welding, the two ends of fixed mount be fastened on the compartment about on two walls, below and the floor compartment of fixed mount are fastening, have strengthened the rigidity in compartment, the ability of raising compartment anti-vibration and impact.
2, glass fibre reinforced plastic cover design: it is fiberglass that fiberglass radome is made material, and fiberglass has preferably elasticity and toughness.In order to reach the requirement of air-drop, the structure of glass antenna cover is carried out Design of Reinforcement.The correct position of glass fibre reinforced plastic cover (noting: do not interfere with antenna surface) increases reinforcement.The part that the lower limb of fiberglass radome connects with the compartment is thickeied design, and reinforcement is inlayed one deck steel plate.In order to hinge is installed and the both sides screw is installed, cut rear being joined according to the compartment profile by fiberglass manufacturer until the compartment and made fiberglass, be beneficial to guarantee overall dimension and installation accuracy.
3, the Vibration Absorption Designing of visual plant:
A) vibration damping of antenna pedestal: be fixed with the precision equipments such as motor, decelerator, high frequency joint, low frequency slip ring on the antenna pedestal, the impact that enable to bear 30g is so must carry out Vibration Absorption Designing to antenna pedestal.At compartment aft antenna seat fixed mount 4 non-linear large damping shock absorbers are installed, the upper end of vibration isolator is bolted antenna pedestal, and the lower end is bolted on fixed mount.Find the position of centre of gravity of whole antenna pedestal accurately by cae analysis.The reasonable Arrangement vibration isolator is guaranteed its stress equalization, and it is best that effectiveness in vibration suppression reaches.
The selection of vibration isolator, the selected frequency of vibration isolator are 5～25Hz, and rated load is the vibration isolator of 35kg.By vibration transmissibility＜1, vibration isolator is chosen in shock transmissibility＜0.7.Equipment on the antenna pedestal can satisfy the requirement of air-drop through behind the vibration damping.
B) rack vibration damping: rack II, rack III are holding townhouse rack, and its bottom is installed 8 non-linear large damping shock absorbers and carried out vibration damping.Drop to 10g through the impact that acts on the equipment behind the vibration damping.Rack II top installs the back vibration isolator additional, and rack III side installs vibration isolator additional.The impact that individual equipment can bear is greater than 10g, so through behind the vibration damping, equipment can satisfy the requirement of air-drop on the rack.
C) power amplifier vibration damping: four non-linear large damping shock absorbers are installed in the bottom at the power amplifier mounting bracket.Through behind the vibration damping, the impact that is applied on the equipment drops to 10g, reaches the equipment needs.The height of all vibration isolators is pressed≤the 100mm design, and the vibration damping displacement is pressed≤the 30mm design.
Communication in moving of the present invention not only can meeting tier 2 highway transportation and instructions for use, and can also satisfying mobile unit, to bear effective transient state duration behind the configuration vehicle-mounted installation rack be 25ms, and peak accelerator is the impact of 30g.
Explanation is at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although with reference to preferred embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (3)
1. air-drop type communication in moving is characterized in that, adopts following measure that vehicle-mounted communication in moving is improved:
1) car body is reinforced: the compartment is divided into two parts, and the centre arranges a vertical partition wall, and vertically the upper part of partition wall is done 30 ° of inclined-plane partition walls, and partition wall is all done skeleton with square steel tube; The car body top cut place adds a reinforcement, and compartment the right and left is connected as a single entity; In trunk sidewall cutting remainder square steel tube and its welding, to play booster action; Fix up an aerial wire the position at the car rear portion with antenna pedestal fixed mount of square steel tube welding, the two ends of fixed mount be fastened on the compartment about on two walls, below and the floor compartment of fixed mount are fastening;
2) fiberglass radome is set: adopt fiberglass to make radome, in establish reinforcement; The part thickening 20-40mm design that the lower limb of fiberglass radome connects with the compartment, reinforcement is inlayed one deck steel plate, in order to hinge is installed and the both sides screw is installed; Glass fibre reinforced plastic cover and antenna surface dislocation are avoided interfering;
3) vibration damping of key equipment; A) vibration damping of antenna pedestal: at compartment aft antenna seat fixed mount four non-linear large damping shock absorbers are installed, the upper end of vibration isolator is bolted antenna pedestal, and the lower end is bolted on fixed mount; Find the position of centre of gravity of whole antenna pedestal accurately by cae analysis; B) rack vibration damping: rack is holding townhouse rack, and its bottom is installed 8 non-linear large damping shock absorbers and carried out vibration damping; Rack II top installs the back vibration isolator additional, and rack III side installs vibration isolator additional; C) power amplifier vibration damping: four non-linear large damping shock absorbers are installed in the bottom at the power amplifier mounting bracket.
2. described air-drop type communication in moving according to claim 1 is characterized in that described non-linear large damping shock absorber selected frequency is 5～25Hz, and rated load is the vibration isolator of 35kg; By vibration transmissibility＜1, vibration isolator is chosen in shock transmissibility＜0.7.
3. described air-drop type communication in moving according to claim 1 is characterized in that, the height of all vibration isolators is by≤100mm design, and the vibration damping displacement is by≤30mm design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210443465.5A CN102946002B (en) | 2012-11-08 | 2012-11-08 | Air-drop type satellite earth station communication system in motion |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210443465.5A CN102946002B (en) | 2012-11-08 | 2012-11-08 | Air-drop type satellite earth station communication system in motion |
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| CN102946002A true CN102946002A (en) | 2013-02-27 |
| CN102946002B CN102946002B (en) | 2014-09-10 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201515005U (en) * | 2009-09-11 | 2010-06-23 | 北京和协航电科技有限公司 | satellite navigation antenna |
| US7852274B2 (en) * | 2005-12-16 | 2010-12-14 | Rockwell Collins Satellite Communications Systems, Inc. | Communications trailer |
| EP2398162A1 (en) * | 2010-06-18 | 2011-12-21 | Emirates Telecommunications Corporation | Application and implementation of providing mobile coverage for a moving convoy using satellite - BTS - to - BSC link |
| CN102431606A (en) * | 2011-10-28 | 2012-05-02 | 中兵光电科技股份有限公司 | Air-drop unmanned reconnaissance car |
| CN202424704U (en) * | 2011-12-12 | 2012-09-05 | 青海省电力公司信息通信公司 | Vehicle-mounted station for grid mobile communication information platform system |
-
2012
- 2012-11-08 CN CN201210443465.5A patent/CN102946002B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7852274B2 (en) * | 2005-12-16 | 2010-12-14 | Rockwell Collins Satellite Communications Systems, Inc. | Communications trailer |
| CN201515005U (en) * | 2009-09-11 | 2010-06-23 | 北京和协航电科技有限公司 | satellite navigation antenna |
| EP2398162A1 (en) * | 2010-06-18 | 2011-12-21 | Emirates Telecommunications Corporation | Application and implementation of providing mobile coverage for a moving convoy using satellite - BTS - to - BSC link |
| CN102431606A (en) * | 2011-10-28 | 2012-05-02 | 中兵光电科技股份有限公司 | Air-drop unmanned reconnaissance car |
| CN202424704U (en) * | 2011-12-12 | 2012-09-05 | 青海省电力公司信息通信公司 | Vehicle-mounted station for grid mobile communication information platform system |
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| CN102946002B (en) | 2014-09-10 |
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